We have added a new set of pictures from the event "USA Occupy Oakland".

A picture made available on 29 January 2012 shows an Occupy Oakland protester retreating as police fire flash bang grenades and other projectiles in Oakland, California, USA 28 January 2012. An unlawful assembly was declared as occupiers planned to take over an undisclosed building. Please credit: The Oakland Tribuen/Jane Tyska via european pressphoto agency

A picture made available on 29 January 2012 shows police move in on Occupy Oakland protesters on Oak Street and 12th as tear gas gets blown back on them in Oakland, California, USA, 28 January 2012. Occupiers planned to take over an undisclosed building. EPA/JANE TYSKA Please credit: The Oakland Tribuen/Jane Tyska via european pressphoto agency

A picture made available on 29 January 2012 shows Occupy Oakland protesters lining up in front of the Henry J. Kaiser Convention Center and face off with Oakland police after knocking down a fence in Oakland, California, USA, 28 January 2012. Occupiers planned to take over an undisclosed building. EPA/JANE TYSKA PLEASE CREDIT: JANE TYSKA THE OAKLAND TRIBUNE/MAGAZINES OUT NO ARCHIVES