CUSTOMERS jumped to the aid of shop staff during a robbery by a man armed with a gardening fork.
Police have arrested a man after the incident at Tesco Express, Winwick Road, at 10.45pm on Monday night.
Officers say the man entered the store brandishing the garden tool.
He stole cash before being apprehended by other people in the shop.
Police say he is currently being questioned.
Anyone with information can call police on 101.