More than 400 anti-Wall Street protesters were arrested in Oakland during a night of skirmishes in which police fired tear gas and bean bag projectiles, the city said on Sunday, marking one of the biggest mass arrests since nationwide economic protests began last year. Violence erupted again in Oakland on Saturday when protesters attempted to take over the apparently empty downtown convention center to establish a new headquarters and draw attention to the problem of homelessness. [REUTERS/Photo: Stephen Lam/Article: Emmett Berg] Read more: Arrests in Oakland protest rise to more than 400
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More than 400 anti-Wall Street protesters were arrested in Oakland during a night of skirmishes in which police fired tear gas and bean bag projectiles, the city said on Sunday, marking one of the biggest mass arrests since nationwide economic protests began last year.

Violence erupted again in Oakland on Saturday when protesters attempted to take over the apparently empty downtown convention center to establish a new headquarters and draw attention to the problem of homelessness. [REUTERS/Photo: Stephen Lam/Article: Emmett Berg]

Read more: Arrests in Oakland protest rise to more than 400

A group of police officers from various law enforcement agencies arrest an Occupy Oakland demonstrator near Frank H. Ogawa Plaza during a day-long protest in Oakland, California January 28, 2012.  Riot police fought running skirmishes with anti-Wall street protesters in Oakland on Saturday, firing tear gas and bean bag projectiles and arresting more than 200 people in clashes that injured three officers and at least one demonstrator. [REUTERS/Stephen Lam] Read more: Police, Oakland protesters clash; 200 arrested
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A group of police officers from various law enforcement agencies arrest an Occupy Oakland demonstrator near Frank H. Ogawa Plaza during a day-long protest in Oakland, California January 28, 2012. 

Riot police fought running skirmishes with anti-Wall street protesters in Oakland on Saturday, firing tear gas and bean bag projectiles and arresting more than 200 people in clashes that injured three officers and at least one demonstrator. [REUTERS/Stephen Lam]

Read more: Police, Oakland protesters clash; 200 arrested

Members of the Oakland Police Department arrest an Occupy Oakland demonstrator during a confrontation in Downtown Oakland, California January 28, 2012. [REUTERS/Stephen Lam] Read: Police fire tear gas at Oakland protesters, 19 arrested
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Members of the Oakland Police Department arrest an Occupy Oakland demonstrator during a confrontation in Downtown Oakland, California January 28, 2012. [REUTERS/Stephen Lam]

Read: Police fire tear gas at Oakland protesters, 19 arrested

Occupy Oakland demonstrators shield themselves from an exploding tear gas grenade during a confrontation with the police near the Oakland Museum of California in Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland protesters who tried to take over a shuttered convention center on Saturday, arresting 19 people in the latest clash between anti-Wall Street activists and authorities in the California city. [REUTERS/Stephen Lam] Read more: Police fire tear gas at Oakland protesters, 19 arrested
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Occupy Oakland demonstrators shield themselves from an exploding tear gas grenade during a confrontation with the police near the Oakland Museum of California in Oakland, California January 28, 2012.

Police fired tear gas at hundreds of Occupy Oakland protesters who tried to take over a shuttered convention center on Saturday, arresting 19 people in the latest clash between anti-Wall Street activists and authorities in the California city. [REUTERS/Stephen Lam]

Read more: Police fire tear gas at Oakland protesters, 19 arrested