Massenverhaftung bei Occupy-Demo

REUTERSOccupy Oakland demonstrators rally at Frank H. Ogawa Plaza prior a march in an attempt to occupy a vacant building in Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland protesters who tried to take over a shut

REUTERSA group of Occupy Oakland demonstrators march through Downtown Oakland during an attempt to occupy a building in Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland protesters who tried to take over a shuttered

REUTERSOccupy 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 Oakl

dapdProtesters break down fences in front of the Kaiser Convention Center, as protesters with Occupy Oakland march through the streets of downtown Oakland, Calif., Saturday Jan. 28, 2012. With plans to take over a vacant building, Occupy Oakland spokesma

REUTERSMembers of the Oakland Police department form a line during a confrontation with Occupy Oakland demonstrators near the Oakland Museum of California in Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland protest

REUTERSAn Occupy Oakland demonstrator reacts to tear gas during a confrontation with the police near Oakland Museum of California in Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland protesters who tried to take ove

dapdPolice move in on Occupy Oakland protesters on Oak Street and 12th Street as tear gas gets blown back on them in Oakland, Calif. on Saturday, Jan. 28, 2012. An unlawful assembly was declared as occupiers planned to take over an undisclosed building.

REUTERSMembers of the Oakland Police Department arrest an Occupy Oakland demonstrator during a confrontation in Downtown Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland protesters who tried to take over a shuttere

dapdOccupy Oakland protestors burn an American flag found inside Oakland City Hall during an Occupy Oakland protest on the steps of City Hall, Saturday, January 28, 2012, in Oakland, Calif. (Foto:Beck Diefenbach/AP/dapd)

dapdProtesters with Occupy Oakland march through the streets of downtown Oakland, Calif., Saturday Jan. 28, 2012. With plans to take over a vacant building, Occupy Oakland spokesman Leo Ritz-Barr said the action "signals a new direction for the Occupy mo

dapdOakland police block off 10th street near the Kaiser Convention Center, as protesters with Occupy Oakland march through the streets in Oakland, Calif., Saturday Jan. 28, 2012. With plans to take over a vacant building, Occupy Oakland spokesman Leo Ri

REUTERSA 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

REUTERSA masked Occupy Oakland demonstrator walks in a cloud of smoke from smoke grenades during an attempt to occupy the vacant Henry J. Kaiser Convention Center in Oakland, California January 28, 2012. Police fired tear gas at hundreds of Occupy Oakland