An 82-year-old woman was injured when a thug snatched her handbag.
The woman is recovering after the man grabbed the bag from her shoulder in Castle Donington.
The man approached the woman from behind as she walked by the library in Clapgun Street, pulled the bag from her and ran off.
Police said the woman suffered minor injuries and was "shaken".
The incident happened at 11pm on Tuesday, October 14. The bag contained the victim's purse and bank cards.
Police released details of the attack today and appealed for witnesses.
The robber is white, approximately 5ft 8ins, in his mid-20s and is of stocky build. He was wearing a grey hooded tracksuit with two large blue squares on the side.
Also, officers want to trace the driver of a white flat-bed lorry which was seen in nearby Eastway around the time of the robbery.
The vehicle had high green side on the flat-bed section and was carrying to large white square containers.
Contact Detective Constable Clare Moor on 101 or Crimestoppers, which is anonymous, on 0800 555 111.
