CCTV captured a man entering the back door of the outlet on Leeds Road at around 10pm on Thursday, April 20.
He then went up the stairs to the staff room area of the property. A staff member later found that her purse had been taken.
Anyone who recognises the man or who has information which would assist the investigation is asked to contact PC Adam Smith on 101 or email [email protected]
Quote reference 12170067753.