By PAUL ELIAS, Associated Press
SAN FRANCISCO (AP) -- Rush-hour protests at subway stations in the San Francisco Bay area brought about 100 demonstrators on Monday but no new wireless service shutdowns, which in recent days has hurled the transit agency into a raging debate over how far authorities can go to disrupt protests organized on social networks.
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Cellphone service was operating as an estimated 50 protesters gathered on the Civic Center Station platform chanting "no justice, no peace." They also swarmed a Bay Area Rapid Transit train, trying to prevent its departure. Other demonstrators marched down Market Street through the city's financial district.
Law enforcement eventually cleared the platform and closed the station, as well as two other downtown stations. BART trains went by without stopping.
Hundreds of people stood on the sidewalks and streets outside the Montgomery station in the city's Financial District on Monday evening. Many of the people appeared to be commuters.
The shutdown of wireless towers in stations near the protest last Thursday night helped raise questions about the role that social networks are playing in helping people, from Egypt to London, organize online. In the U.S., with its history of free speech, critics are saying BART's move was unconstitutional.
BART officials have said their primary concern was to ensure that passengers are safe.
"It's wrong," American Civil Liberties Union lawyer Michael Risher, whose group was scheduled to meet later Monday with BART's police chief at the agency's headquarters in Oakland. "There were better alternatives to ensure the public's safety."
Former BART director Michael Bernick applauded the move, saying it ensured a safe and uninterrupted commute Thursday night.
"Finally, BART said enough," said Bernick. "BART put its riders and commuters ahead of these protesters and the ACLU."
BART cut power to its wireless nodes Thursday night after learning demonstrators planned to use social media and text messaging to organize a protest against police brutality on one of the subway platforms.
The tactic appeared to work because no protest occurred.
BART's actions prompted a Federal Communications Commission investigation, and a hacking group organized an attack on one of the agency's websites on Sunday and posted personal information of more than 2,000 passengers online.
The group, named Anonymous, called for a disruption of BART's evening commute Monday.
"We are Anonymous, we are your citizens, we are the people, we do not tolerate oppression from any government agency," the hackers wrote on their own website. "BART has proved multiple times that they have no problem exploiting and abusing the people."
BART spokesman Jim Allison said BART has notified the FBI, and that no bank account or credit card information was listed.
BART officials, meanwhile, defended the shutdown of the cell service as a legal approach to ensure commute safety.
A protest last month on a San Francisco platform calling for the dismissal of the transit officers responsible for the July 3 shooting death of a man wielding a knife prompted the closing of one station and caused system-wide delays during rush hour.
Allison said the wireless outage was only for platforms and trains running under the city, places where protests are banned.
By Monday, a growing number of free speech advocates were calling on BART to renounce the tactic, with many calling the action an unconstitutional attempt to stifle lawful protest. Even a BART board member criticized the action.
"We really don't have the right to be this type of censor," said Lynette Sweet, who serves on BART's board of directors, said. "In my opinion, we've let the actions of a few people affect everybody. And that's not fair."
Risher, the ACLU attorney, likened BART's installing wireless networks underground as a passenger service to a government building a park. "Government's don't have to build parks," he said. "But once they do, they can't lock out speech they disagree with."
Risher said his organization is considering a lawsuit, but a decision won't be made until after the meeting with the police chief.
Electronic Frontier Foundation lawyer Lee Tien said he needed more information to decide whether a lawsuit was appropriate.
Regardless of its strict legality, Tien said the tactic was unsavory and compared it to former Egyptian president Hosni Mubarak's shutting down access to the Internet in a failed attempt to stop civil unrest.
Bernick, the former BART director, said Northern California governments such as BART have been struggling for years with how to handle vocal political demonstrations that often escalate to violence.
BART and Oakland, in particular, have experienced several large-scale protests that turned into riots after a white transit officer shot the unarmed black commuter Oscar Grant on New Year's Day 2009.
BART officials said they are working on a plan to block any efforts by protesters to disrupt the service, which carries 190,000 passengers during the morning and evening commutes every day.
The BART computer problem was the latest hack the loosely organized group claimed credit for this year.
Last month, the FBI and British and Dutch officials made 21 arrests, many of them related to the group's attacks on Internet payment provider PayPal Inc., which has been targeted over its refusal to process donations to WikiLeaks.
Associated Press writers Terry Tang and Bob Seavey in Phoenix also contributed to this report.
A well-dressed "Anonymous" protester at U.N. Plaza.
Wherever there's a protest, there's Frank Chu.
Police in full riot gear guard the entrance to the Civic Center BART station.
The man with unplugged phone yelled "can you hear me now?" inches from the faces a line of police officers for at least ten full minutes.
This "Anonymous" protester's phone was working just fine.
The Civic Center BART station is closed for business.
Protestors march down Market Street.
Powell Street BART Station is also closed for business.
Protestor above the Powell Street BART Station.
Another one of San Francisco's professional protestors joins in the mix.
Impassioned protestors make a stand above the Powell Street BART Station.
Protestor on Market Street shows solidarity.
A police officer stands guard.