Occupy Wall Street march – in pictures

Occupy Wall Street protesters march from Zuccotti Park to Union Square in New York Photograph: Andrew Burton/Getty Images

An OWS movement supporter holds up a sign before the march sets off Photograph: Carlo Allegri/Reuters

An OWS supporter holds a cheeky placard Photograph: CARLO ALLEGRI/REUTERS

An activist holds a poster calling for justice for Trayvon Martin, the teenager who was killed by a neighbourhood watchman in Florida in February Photograph: Julie Dermansky/Corbis

A protester is arrested by police during the march, which was organised in part to protest against perceived police brutality Photograph: Carlo Allegri/Reuters

Police officers detain a couple of Occupy Wall Street activists Photograph: Mary Altaffer/AP

Occupy Wall Street protesters brandish signs and flags as they walk through Manhattan Photograph: Julie Dermansky/Corbis

Police stand guard in front of the United Nations building Photograph: Carlo Allegri/Reuters

Protesters hold more signs as they march Photograph: Julie Dermansky/Corbis