POLICE are seeking a thief who stole mobile phone cards from a petrol station.

The man entered the Snack 24 petrol station, in High Northgate, Darlington, at 2.30pm on Monday, May 12.

He asked an assistant for some pre-pay mobile phone cards, snatched them and ran out of the garage without paying.

He is described as white, about 6ft and aged 35 to 37. He had short, black hair and was wearing a black jacket and blue jeans.

Anyone with information is asked to call Crimestoppers on 0800 555 111.