Detectives have issued a CCTV image of a man they wish to trace in connection with an off-licence robbery in Colchester.

The incident happened at The Beer Tent shop in Barrack Street, shortly before 10pm on Friday, May 13, 2011.

A female member of staff was alone in the shop when she was approached by a man who threatened to assault her if she did not open the till.

The man grabbed a three-figure sum of cash from the till and ran off. He was last seen running along Barrack Street. The staff member was left badly shaken but was unharmed.

Anyone who can recognise the man or anyone with information about the robbery should contact Dc Peter Burns at Colchester CID on 0300 333 4444.