On Monday, at least one gunman opened fire at the Washington Navy Yard. According to a Defense Department official, there were multiple reported fatalities and as many as 10 individuals wounded.

The Associated Press reports:

Officials say at least one shooter has died at the Washington Navy Yard, where several people were killed and as many as 10 were wounded.

A federal law enforcement official and a Defense Department official said Monday morning that a shooter had died. Both spoke on condition of anonymity because they were not authorized to discuss the ongoing investigation.

Two other officials have said they are looking into the possibility of a second shooter at the Navy Yard.

As news of the shooting developed, politicians offered words of support for the victims. Below, some of their reactions:

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  • President Barack Obama

    <blockquote>"We still don't know all the the facts, but we do know several people have been shot and some have been killed," said Obama. "We're confronting yet another mass shooting and today it happened on a military installation in our nation's capital. It's a shooting that targeted our military and civilian personnel." "These are men and women who were going to work doing their jobs and protecting of all of us," Obama said. "They're patriots. They know the the dangers of serving abroad, but today they faced the unimaginable violence that they wouldn't have expected here at home. "So we offer our gratitude to the Navy and local law enforcement, federal authorities and the doctors who responded with skill and bravery," Obama said."</blockquote>

  • House Minority Leader Nancy Pelosi (D-Calif.)

  • House Speaker John Boehner (R-Ohio)

  • Sen. Dan Coats (R-Ind.)

  • Secretary of the Navy Ray Mabus

    <blockquote>"I'm deeply shocked and saddened by the shooting this morning at the Navy Yard," said Secretary of the navy Ray Mabus. "Our thoughts and prayers are with the victims and their families. I have complete confidence in our first responders, and I continue to be completely focused on this very difficult situation."</blockquote>

  • Sen. Lisa Murkowski (R-Alaska)

  • Sen. John McCain (R-Ariz.)

  • Rep. Mario Diaz-Balart (R-Fla.)

  • Rep. Louie Gohmert (R-Texas)

  • Rep. Sean Duffy (R-Wis.)

  • Baltimore Mayor Stephanie Rawlings-Blake

  • Rep. Chellie Pingree (D-Maine)

  • Rep. Steve Scalise (R-La.)

  • Rep. Steny Hoyer (D-Md.)

  • Sen. Pat Toomey (R-Pa.)

  • Rep. Mike Rogers (R-Mich.)

  • Rep. Joaquin Castro (D-Texas)

  • Rep. Steve Womack (R-Ark.)

  • Rep. Gregg Harper (R-Miss.)

  • Rep. Dave Reichert (R-Wash.)

  • Rep. Randy Forbes (R-Va.)

  • Rep. John Shimkus (R-Ill.)

  • Rep. Tony Cárdenas (D-Calif.)

  • Rep. Doris Matsui (D-Calif.)

  • Rep. Randy Neugebauer (R-Texas)

  • Rep. Rob Wittman (R-Va.)

  • Sen. Tim Kaine (D-Va.)

  • Rep. Paul Gosar (R-Ariz.)

  • Rep. Tim Murphy (R-Pa.)

  • Rep. Debbie Wasserman Schultz (D-Fla.)

  • Rep. Randy Weber (R-Texas)

  • Sen. Kelly Ayotte (R-N.H.)

  • Rep. Robert Aderholt (R-Ala.)

  • Rep. Scott Peters (D-Calif.)

  • Rep. Mike Fitzpatrick (R-Pa.)

  • Rep. Jack Kingston (R-Ga.)

  • Rep. Lynn Westmoreland (R-Ga.)

  • Rep. James Langevin (D-R.I.)

  • Rep. Pete Sessions (R-Texas)

  • Rep. Paul Broun (R-Ga.)

  • Rep. John Barrow (D-Ga.)

  • Rep. David McKinley (R-W.V.)

  • Rep. Pete Gallego (D-Texas)

  • Rep. Patrick Meehan (R-Pa.)

  • Rep. Terri Sewell (D-Ala.)

  • Rep. Lynn Jenkins (R-Kan.)

  • Rep. Juan Vargas (D-Calif.)

  • Rep. Joe Wilson (R-S.C.)

  • Rep. Kevin Yoder (R-Kan.)

  • Rep. Joe Courtney (D-Conn.)

  • Rep. Jon Runyan (R-N.J.)

For the latest updates on this developing situation, click over to HuffPost Crime's liveblog.