The London protest for striking public sector workers, in pictures.

All photos by Ian Dunt Follow @IanDunt

Police look on cautiously as the march passes them

A demonstrator shows off her sign

Police suddenly snatch and arrest a young boy

On the other side of Charing Cross' gates, demonstrators appeal to police to stop

Seemingly fearing for their safety, the police drag the child away to a more secure location

Police try to negotiate with a teacher who refuses to move until the child is bought back. He eventually reveals that the child was arrested and a delegation of teachers is organised to go to the police station.

Peace activists and others start a sit down protest on Whitehall

Police appeal to them to leave.