A CCTV image has been released of a man wanted over the theft of a phone from a woman in a fast food restaurant in Chesterfield.
Derbyshire Police said the theft happened in McDonald's on Low Pavement while the victim was ordering her food.
The thief snatched his victim's black Samsung Galaxy Edge 7, which was in her handbag, before fleeing.
Police officers investigating the incident believe the man in the CCTV image could hold vital information.
Call PC Rich Clarke on 101 or Crimestoppers on 0800 555 111.