Occupy Oakland protests turn violent – in pictures

Occupy Oakland protesters on a railway scaffold at the Port of Oakland Photograph: Noah Berger/AP

A demonstrator flashes the peace sign as police officers in riot gear line up in front of him Photograph: Stephen Lam/Reuters

A demonstrator waves a flag as rubbish burns at the Occupy Oakland demonstration Photograph: Stephen Lam/Reuters

The Occupy Oakland protester Mike Clift runs from teargas Photograph: Noah Berger/AP

A police officer points his weapon at protesters on Broadway in Oakland Photograph: James Fassinger

Protesters help a man hit in the leg by a police projectile Photograph: Noah Berger/AP

A protester in a gas mask records video of Oakland police forming lines and advancing on burning barricades Photograph: James Fassinger

Occupy Oakland demonstrators gather in Oakland, California Photograph: Stephen Lam/Reuters

Sheriff's deputies advance on Occupy Oakland protesters Photograph: Noah Berger/AP

An anarchy symbol is painted on the entrance to an office building on Broadway in Oakland Photograph: Noah Berger/AP

A protester shows the welt on his arm after apparently being hit with a police projectile during the protest Photograph: James Fassinger

Occupy Oakland protesters claim a vacant building during a march Photograph: Noah Berger/AP