More than 500 Avon and Somerset police officers have joined  20 thousand others at a march in protest against proposed government cuts.

The off-duty officers, who are banned from striking under law, are wearing black caps representing each officer expected to be lost under the plans, with the local Police Federation estimating 700 could go here - which would impact on public safety.

Policing minister Nick Herbert says he has written to officers ahead of today's march: