Police today launched an appeal for information on a man wanted in connection with an armed robbery in Upper Street’s William Hill branch.

At about 8.45pm on August 4, a man walked into the bookies with a white t-shirt covering his face.

He threatened the cashier with a gun-shaped object covered in a plastic bag and demanded money.

The man then went to Highbury and Islington station and boarded a southbound Victoria line train.

He is described as black and wearing a black sleeveless top under a white t-shirt.

Anyone with information can contact Det Cons Jamie Witts on 101. To give information anonymously, call Crimestoppers on 0800 555 111.