D.C. police spokesperson Officer Paul Metcalf tells The Huffington Post that the Metropolitan Police Department is "at a heightened level of security" after explosions near the finish line of the Boston Marathon went off Monday afternoon.

DCist has more details:

The Metropolitan Police Department and Metro Transit Police are increasing patrols this afternoon following twin bombings in Boston. Metro Transit Police officers currently on daytime patrols will stay on through the evening rush hour, while additional units are being called in.

Meanwhile, D.C. Police Chief Cathy Lanier says that the Metropolitan Police Department will be going to a heightened state of alertness, including the deployment of counter-terrorism units, in the wake of the explosions at the finish line of the Boston Marathon.

Metro announced via Twitter that it would be taking extra security precautions on D.C.'s public transportation system:

A police spokesperson tells HuffPost that as of Monday at 4:30 p.m., there are no changes to Tuesday's Emancipation Day Parade and Festival plans.

Multiple sources report that security has been increased around the White House.

The cleared grounds can be seen in these photos taken just after 4 p.m. on Monday:

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At his 6 p.m. press conference, D.C. Mayor Vincent Gray said we "don't have any credible information that would suggest there is any specific threat" to Washington.

"We believe that we are well prepared to defend the people who live here and the many thousands that visit," Gray said.

Chief of Police Cathy Lanier said that people in D.C. "will see a visible increase in [police] presence" following the Boston explosions. Lanier said that other extra security measures in place wouldn't be visible.

Gray reemphasized the same points in a statement sent out after the press conference:

Mayor Vincent C. Gray today said the District’s public-safety officials are responding to the bombings at today’s Boston Marathon by following established protocols designed to heighten sensitivity to potential risks in the wake of apparent terrorist attacks in other parts of the country.

“We have been monitoring the situation in Boston and any possible consequences for the District since shortly after this tragic incident occurred, and our public-safety officials and I are in close contact with all our federal and regional partners,” Mayor Gray said. “While at this time there is no information regarding any specific credible threat against targets in our region, we have plans in place to address these types of incidents. We are currently implementing those plans. While at this point I cannot go into significant detail about specific response actions and deployments, I can say that the District government is well-prepared to protect the safety of all those who live, visit and do business in the nation’s capital.”

Mayor Gray continued: “I remind all residents and visitors to remain vigilant and report anything that is out of place to authorities, including the Metropolitan Police Department at 911 and Metro Transit Police at 202-962-2121.”

The Mayor concluded: “The District is keenly aware of the trauma that terrorist acts inflict not only on individual victims and their families, but also on entire communities. Our thoughts and prayers are with the people of Boston and Mayor Thomas Menino. We stand ready to assist them in any way we possibly can.”

Update, 9 a.m.: D.C.'s Emancipation Day parade is still scheduled to go on as planned, beginning at 11 a.m.

"Come out and enjoy the events," D.C. Police Chief Cathy Lanier told NBC4. "We have a very strong security plan in place."

The D.C. government website has a list of activities to celebrate the day -- April 16, 1862 -- slavery was abolished in the District of Columbia.

Yahoo has more on the history of the D.C. Compensated Emancipation Act:

The act, signed into law by President Abraham Lincoln during the American Civil War, paid D.C. slave owners up to $300 to give up their slaves and ultimately freed more than 3,000 slaves, according to the U.S. Senate website.

The act set a precedent for the Emancipation Proclamation that would come several months later, according to City Councilman Vincent Orange, who is the chair of the event's oversight committee.

"It's the only time in history that the federal government paid $1 million in 1862 to free the slaves," Orange told ABC News. "Clearly, that was part of Lincoln's strategy to win civil war."


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  • Boston Marathon Explosion

    Police officers with their guns drawn hear the second explosion down the street. The first explosion knocked down a runner at the finish line of the 117th Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Newspapers are on sale at a stand on Newbury Street on April 16, 2013 in Boston, Massachusetts. Security is especially tight in the city of Boston after two explosions went off near the finish of the Marathon, killing three people and injuring at least 141 others. Darren McCollester / Getty Images)

  • WARNING

    Some photos in this slideshow are graphic and may be disturbing to some viewers.

  • Boston Marathon Explosion

    In this photo provided by The Daily Free Press and Kenshin Okubo, people react to an explosion at the 2013 Boston Marathon in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (Kenshin Okubo / The Daily Free Press / AP)

  • Boston Marathon Explosion

  • Boston Marathon Explosion

    A woman kneels and prays at the scene of the first explosion on Boylston Street near the finish line of the 117th Boston Marathon on April 15, 2013. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Victims are in shock and being treated at the scene of the first explosion that went off near the finish line of the Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    People tend to an injured woman on the corner of Exeter and Newbury Streets after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Bill Greene / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Bystanders help an injured woman at the scene of the first explosion on Boylston Street near the finish line of the 117th Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Medical workers runs an injured man past the finish line the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (Charles Krupa / AP)

  • Boston Marathon Explosion

    Police and federal officials exit an apartment complex at 364 Ocean Avenue with a possible connection to the earlier expolsions during the Boston Marathon on April 15, 2013 in Revere, Massachusetts. Three people are confirmed dead and at least 141 injured after two explosions went off near the finish line to the marathon. (Darren McCollester / Getty Images)

  • Boston Marathon Explosion

    A victim of the first explosion is helped on the sidewalk of Boylston Street, after two explosions went off near the finish line of the 117th Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Unclaimed finish line bags are viewed near the scene of a twin bombing at the Boston Marathon, on April 16, 2013 in Boston, Massachusetts. Three people are confirmed dead and at least 141 injured after the explosions went off near the finish line of the marathon yesterday. The bombings at the 116-year-old Boston race, resulted in heightened security across the nation with cancellations of many professional sporting events as authorities search for a motive to the violence. (Spencer Platt / Getty Images)

  • Boston Marathon Explosion

    A heavily armed Boston police officer (R) and a National Guard soldier (L) stands guard in front of the Taj Hotel April 16, 2013 in Boston, Massachusetts, in the aftermath of two explosions that struck near the finish line of the Boston Marathon April 15. A massive probe was underway Tuesday after two bombs struck the Boston Marathon, killing at least three and wounding more than 100. Monday's blasts near the finishing line raised fears of a terrorist attack more than a decade after nearly 3,000 people were killed in suicide airliner strikes on New York, Washington and Pennsylvania on September 11, 2001. US President Barack Obama went on national television to warn against "jumping to conclusions" but a senior White House official, speaking on condition of anonymity, said such an attack was "clearly an act of terror." (Stan Honda / AFP / Getty Images)

  • Boston Marathon Explosion

    A man comforts a victim on the sidewalk at the scene of the first explosion near the finish line of the 117th Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images

  • Boston Marathon Explosion

    Emergency personnel respond to the scene after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (David L. Ryan / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Boston Police look at blown out windows at the scene of the first explosion on Boylston Street near the finish line of the Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: Police officers with their guns drawn hear the second explosion down the street. The first explosion knocked down a runner at the finish line of the 117th Boston Marathon. (Photo by John Tlumacki/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

  • Boston Marathon Explosion

    Injured people lie on the sidewalk near a barrier at the scene of the first explosion that went off near the finish line of the 117th Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: Emergency personnel respond to the scene after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    Passersby put pressure on a victim's leg to try to stop the bleeding at the scene of the first explosion near the finish line of the Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    The marathon finish line bridge is seen on Boylston Street on April 16, 2013 in Boston, Massachusetts. on April 16, 2013 in Boston, Massachusetts. Security is especially tight in the city of Boston after two explosions went off near the finish of the Marathon, killing three people and injuring at least 141 others. (Darren McCollester / Getty Images)

  • Boston Marathon Explosion

    Blood from victims covers the sidewalk on Boylston Street, at the site of an explosion during the 2013 Boston Marathon in Boston, Monday, April 15, 2013. At the right foreground is a folding chair with the design of an American flag on the cover. Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (Charles Krupa / AP)

  • Boston Marathon Explosion

    A runner reacts near Kenmore Square after two bombs exploded during the 117th Boston Marathon on April 15, 2013 in Boston, Massachusetts. Two people are confirmed dead and at least 23 injured after two explosions went off near the finish line to the marathon. (Alex Trautwig / Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: (EDITOR'S NOTE: THIS IMAGE CONTAINS GRAPHIC CONTENT) A person who was injured in an explosion near the finish line of the 117th Boston Marathon is taken away from the scene in a wheelchair. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    A runner passes a police officer dressed in tactical gear, who blocks a road leading to the Boston Marathon route, the morning after explosions killed three and injured more than 140 in Boston, Tuesday, April 16, 2013. The bombs that blew up seconds apart at the finish line of one of the world's most storied races left the streets spattered with blood and glass, and gaping questions of who chose to attack at the Boston Marathon and why. (Charles Krupa / AP)

  • Boston Marathon Explosion

    A person who was injured in an explosion near the finish line of the 117th Boston Marathon is taken away from the scene in a wheelchair. (David L. Ryan / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    Carlos Arredondo, who was at the finish line of the 117th Boston Marathon when two explosives detonated, leaves the scene on April 15, 2013 in Boston, Massachusetts. Two people are confirmed dead and at least 28 injured after at least two explosions went off near the finish line to the marathon. (Darren McCollester / Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: (EDITOR'S NOTE: THIS IMAGE CONTAINS GRAPHIC CONTENT) A person who was injured in an explosion near the finish line of the 117th Boston Marathon is taken away from the scene on a stretcher. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    Officials react as the first explosion goes off on Boylston Street near the finish line of the 117th Boston Marathon on April 15, 2013. (John Tlumacki / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    First responders tend to the wounded after two explosions occurred along the final stretch of the Boston Marathon on Boylston Street in Boston, Massachusetts, U.S., on Monday, April 15, 2013. (Kelvin Ma / Bloomberg / Getty Images)

  • Boston Marathon Explosion

    Medical workers aid injured people at the finish line of the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/Charles Krupa)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: Two officials run away from the first explosion, right, on Boylston Street at the 177th Boston Marathon, April 15, 2013. (Photo by John Tlumacki/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    A person who was injured in the first explosion is wheeled across the finish line of the Boston Marathon. (John Tlumacki / The Boston Globe / Getty Images)

  • Explosions At 117th Boston Marathon

    BOSTON - APRIL 15: (EDITOR'S NOTE: THIS IMAGE CONTAINS GRAPHIC CONTENT) A person who was injured in an explosion near the finish line of the 117th Boston Marathon is taken away from the scene on a stretcher. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

  • Boston Marathon Explosion

    Neighbors hug outside the home of the Richard family in the Dorchester neighborhood of Boston, Tuesday, April 16, 2013. Martin Richard, 8, was killed in Mondays bombing at the finish line of the Boston Marathon. (Michael Dwyer / AP)

  • Boston Marathon Explosion

    First responders rush to help injured people after two explosions occurred along the final stretch of the Boston Marathon on Boylston Street in Boston, Massachusetts, U.S., on Monday, April 15, 2013. Two powerful explosions rocked the finish line area of the Boston Marathon near Copley Square and police said many people were injured. (Kelvin Ma / Bloomberg / Getty Images)

  • Boston Marathon Explosion

    Emergency workers aid injured people at the finish line of the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. (AP Photo/Charles Krupa)

  • Boston Marathon Explosion

    There was smoke and panic in the street as emergency personnel responded to the scene after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (David L. Ryan / The Boston Globe / Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: (EDITOR'S NOTE: THIS IMAGE CONTAINS GRAPHIC CONTENT) A person who was injured in an explosion near the finish line of the 117th Boston Marathon is taken away from the scene on a stretcher. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    A Boston police officer wheels in injured boy down Boylston Street as medical workers carry an injured runner following an explosion during the 2013 Boston Marathon in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria at the marathon's finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/Charles Krupa)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: Emergency personnel respond to the scene after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: A man lays on the ground after two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    BOSTON - APRIL 15: Two explosions went off near the finish line of the 117th Boston Marathon on April 15, 2013. (Photo by David L. Ryan/The Boston Globe via Getty Images)

  • Boston Marathon Explosion

    Medical workers wheel the injured across the finish line during the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/Charles Krupa)

  • An unidentified Boston Marathon runner, center, is reunited with loved ones near Copley Square following an explosion in Boston Monday, April 15, 2013. (AP Photo/Winslow Townson)

  • Boston Marathon Explosion

    Medical responders run an injured man past the finish line the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria of the Boston Marathon finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/Charles Krupa)

  • Boston Marathon Explosion

    Medical workers aid injured people at the finish line of the 2013 Boston Marathon following an explosion in Boston, Monday, April 15, 2013. (AP Photo/Charles Krupa)

  • Boston Marathon Explosion

    A Boston police officer clears Boylston Street following an explosion at the finish line of the 2013 Boston Marathon in Boston, Monday, April 15, 2013. Two explosions shattered the euphoria at the finish line on Monday, sending authorities out on the course to carry off the injured while the stragglers were rerouted away from the smoking site of the blasts. (AP Photo/Charles Krupa)

This is a developing story...

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One marathon suspect has been captured, according to an official with knowledge of the investigation.

Another remains on the loose in Watertown after a firefight with police. Authorities have established a 20-block perimeter as they search for him.

Read more here.

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new photo suspect 2

Just hours after the FBI released the first photos of suspects in the Boston Marathon bombing, a new photo of Suspect 2 may have emerged.

David Green, 49, of Jacksonville, Fla., had just completed his first Boston Marathon, when he snapped a picture with his iPhone 4S, taken at 2:50, just after the two blasts ripped through the finish line area, killing three people and injuring more than 180 others.

The FBI has not publicly confirmed this photo as Suspect 2, but Green told the Huffington Post that an agent told him, "this is probably the best we have right now."

The man who appears to be Suspect 2 is wearing a white hat with a "3" on the side as seen in the publicly-released photos.

Read more here.

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Minutes before the bombs blew up in Boston, Jeff Bauman looked into the eyes of the man who tried to kill him.

Just before 3 p.m. on April 15, Bauman was waiting among the crowd for his girlfriend to cross the finish line at the Boston Marathon. A man wearing a cap, sunglasses and a black jacket over a hooded sweatshirt looked at Jeff, 27, and dropped a bag at his feet, his brother, Chris Bauman, said in an interview.

Read more here.

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info wars

BOSTON -- Moments after the FBI revealed images of two baseball cap-wearing men wanted for questioning about the Boston bombings, the press conference descended into a sideshow.

A journalist from a far-right wing website called Info Wars shouted out a question accusing the government of carrying out the attack that killed three, and maimed or injured 170 others.

FBI Special Agent in Charge Richard Deslauriers ignored the allegation of a government conspiracy from reporter Daniel Bidondi, but the Alex Jones protege did not stop hollering.

"The FBI lies," Bidondi said. "We've got the proof," he said accusing the government of a "false flag" attack in which it staged the blasts and made them appear like the work of terrorists.

Bidondi found himself at the center of an media scrum with cameras and microphones pointed at his face after law enforcement officials left the podium in the Sheraton hotel.

Another reporter ridiculed Bidondi from across the room, telling him to shut up and calling him an asshole.

The excitement quickly dissipated as reporters returned to delivering the news about the official images of the suspects.

Bidondi has been a presence at other press conferences this week related to the bombing investigation.

--Michael McLaughlin / HuffPost Crime

CORRECTION: An earlier version of this story misspelled Bidondi's last name. We regret the error.

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Dr. Ralph Gross, a facial recognition expert at Carnegie Mellon University, said the FBI photos of two suspects in the Boston Marathon bombing are likely too grainy to be matched against a driver's license database or Facebook. But he thinks they may be just good enough for someone who knows the individuals to identify them.

"The resolution isn't particularly good. The one that's kind of best is unfortunately a side view -- and in general the face recognition software works best with frontal view," he said.

Research has consistently found, however, that people can spot people they know even in grainy, off-center photographs.

"Humans are actually very good at recognizing people that they are familiar with," Gross said. "Somebody that might know these guys, or might know the way they dress, might certainly be able to recognize them."

The FBI said the men should be considered armed and dangerous, and urged tipsters to call 1-800-CALL-FBI if they believe they have information that could lead to an arrest.

--Matt Sledge

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The New York Daily News reportedly doctored its front page photograph of the Boston bombings (see update below).

WARNING: LINK GOES TO GRAPHIC PHOTO

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suspects

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CNN reports that, because of a flood of traffic, the FBI's site is temporarily down.

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FBI's Richard Richard DesLauriers said the only official photos that should be relied upon in the investigation are the pictures the FBI unveiled.

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Richard DesLauriers "somebody out there knows these individuals". They are considered armed and extremely dangerous.

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The FBI's Richard Richard DesLauriers unveils photos of two suspects.

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The press conference is scheduled for 5 p.m. Watch it here.

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From The Huffington Post's Michael McLaughlin ...

Christine Anastos and her therapy dog Windy comforted runners who dropped in to the Boston Athletic Association's offices today.

Windy, a black labrador who retired from Guiding Eyes for the Blind, was a big hit with the Marathoners.

"I don't think there was a moment when someone wasn't petting her," she said about Windy,who was joined by a Newfoundland and boxer. "All she has to do is be herself. She's so sensitive. She takes in all the emotion."

Anastos makes Windy available through Therapy Dogs International There are more than 100 therapy dogs available within a 20 mile radius of Boston, she said, so people should contact the group if they're interested.

boston dog christine anastos and windy

Christine Anastos and Windy

boston dog windy

WIndy

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The New York Post once again found itself in trouble after it published front-page photos of two men on Thursday who it said were being searched for in connection with the Boston bombings. The problem? They were completely innocent.

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The FBI press conference scheduled for 5 p.m. today is the first public briefing in two days, according to Fox News.

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boston

BOSTON, MA - APRIL 18: Boston Mayor Thomas Menino pauses after speaking at an interfaith prayer service for victims of the Boston Marathon attack titled 'Healing Our City,' at the Cathedral of the Holy Cross on April 18, 2013 in Boston, Massachusetts. Authorities investigating the attack on the Boston Marathon have shifted their focus to locating the person who placed a black bag down and walked away just before the bombs went off. The twin bombings at the 116-year-old Boston race, which occurred near the marathon finish line, resulted in the deaths of three people and more than 170 others injured. (Photo by Spencer Platt/Getty Images)

boston

US President Barack Obama speaks during the 'Healing Our City: An Interfaith Service' dedicated to those who were gravely wounded or killed in the Boston Marathon bombing, at the Cathedral of the Holy Cross in Boston, Massachusetts, on April 18, 2013. Obama is in Boston to mourn victims of the deadly marathon attacks, as investigators study images of a suspect who may have planted the bombs. No arrests have been made in connection with Monday's twin bombings near the finish line of the race, which sent metal fragments and nails into a crowd of thousands of runners and spectators, killing three people and wounding 180. AFP PHOTO/Jewel Samad

boston

BOSTON, MA - APRIL 18: Former Massachusetts Governor and 2012 Republican presidential nominee Mitt Romney attends an interfaith prayer service for victims of the Boston Marathon attack titled 'Healing Our City,' where President Barack Obama spoke at the Cathedral of the Holy Cross on April 18, 2013 in Boston, Massachusetts. Authorities investigating the attack on the Boston Marathon have shifted their focus to locating the person who placed a black bag down and walked away just before the bombs went off. The twin bombings at the 116-year-old Boston race, which occurred near the marathon finish line, resulted in the deaths of three people and more than 170 others injured. (Photo by Spencer Platt/Getty Images)

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A local paper in Minnesota ran an unfortunately placed ad for a pressure cooker -- right next to a story about the Boston Marathon bombing, which was likely carried out using pressure cookers packed with shrapnel and explosives.

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From the AP:

BOSTON -- Kenneth Feinberg, an attorney who managed the 9/11 Victim Compensation Fund, will design and administrator of a new fund to help people affected by the Boston Marathon bombing.

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Boston Marathon Fund raises more than $7 million in 24 hours.

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From The Huffington Post's Michael McLaughlin ...

BOSTON -- The sight of bright blue and yellow windbreakers and t-shirts have become an instant symbol of Boston's healing and unity since Monday's double bombing.

The flashy colors are worn mainly as the official gear of the marathon. Blue is for the 23,000 runners and yellow is for the thousands of volunteers. Adidas also produces versions of the merchandise that's available to the paying public.

"This is my sport. This is my city," said Kim Stemple, a race volunteer wearing a lemon yellow jacket available on Thursday

"We know each other. We're each other's best therapy," she said about other volunteers.

Griffin Schroeder donned the blue runners' jacket as he stood near a memorial on Boylston Street before heading back to Wisconsin.

"It's out of respect," the 27-year-old said, adding that it's a symbol of completely the grueling event. "It's a very important accomplishment."

The windbreaker is an open invitation to talk with other marathoners. "I might ask someone if they finished the race. Or if I see someone we give a nod to each other."

Volunteer Susan Furgal of Brockton, Mass wept Thursday as she wore hers near the bomb site.

"I had to make myself come back," she told HuffPost.

Others find simple comfort in displaying that they were a part of the marathon.

"I just feel good wearing it," said Lene Henricksen, 51, from Denmark who was interrupted by the attack before finishing the 26.2 mile course. "This should never happen again. The marathon should go on."

boston marathon

Griffin Schoder wears the blue runner's jacket "out of respect" for the attack, but also because he's proud to have completed the testing race.

boston marathon runners pat cohen and kim stemple

Race volunteers Pat Cohen and Kim Semple embrace near the makeshift memorial of flowers and candles on Boylston Street

boston marathon runners lene henricksen

The race was called off before Henricksen, of Denmark, got to the finish line. She had the misfortune of traveling to New York for last fall's marathon that was canceled due to Hurricane Sandy.

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From The Huffington Post's Christina Wilkie: Relatives of bomb victims who remained in the Intensive Care Unit of Massachusetts General Hospital in Boston on Thursday were unable to watch President Obama's tribute to those killed and injured in the blast, but they were nonetheless very keen to know what the president said. One family member of a renect amputee sent a text to HuffPost during the speech that said, "ICU has no TV's! How is it?" By all accounts, it was a very good speech.

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"This time next year on the third Monday in April the world will return to this city to run even harder."

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