POLICE have released this new image of a man they are hunting, after a would-be robber held up a Southampton arcade.

The closed-circuit TV image has been released after a man sneaked in through the back door of Slot Casino at Above Bar Street, before threatening a female employee with a 6in knife.

Despite being threatened with the blade, the woman refused to open the safe and the would-be robber fled empty-handed in the direction of Sussex Road, East Park and Palmerston Park.

The suspect is pictured wearing a black hoodie, a black flat cap, dark trousers and a bright yellow back pack.

The new image comes after detectives released a shot of the suspect riding a black mountain bike along Above Bar Street towards Guildhall Square shortly before 9am last Tuesday.

He is described as being about 6ft tall and white.

Anyone with information should contact Detective Constable Paddy Coughlin at Shirley CID on 101, or call Crimestoppers anonymously, on 0800 555 111.