A KNIFE-WIELDING robber made off with a three figure sum of cash after raiding a shop.

Essex Police have launched an investigation after a man entered the Co-op, in Church Street, Bocking, at around 9.50pm yesterday.

Armed with a knife, he demanded money and snatched a cash box before fleeing in the direction of Church Lane.

A police spokesman said: "Officers searched the area for the suspect and enquiries are ongoing to find him."

The robber was described as about 6ft 1in tall, with blue eyes, wearing a baseball cap and a black tracksuit.

His face was covered and he carried a black bag with silver straps.

Anyone with information should contact Braintree CID on 101 quoting reference 42/167734/18.