A burglar broke into a house in Corby and stole a door key before running away.
The man broke into the property in Maxwell Walk some time between 11.30am and 1.30pm on Thursday, January 7.
When he was seen by an occupant of the house he fled.
The offender is described as white, in his late 20s, between 5ft 6in and 5ft 8in and stocky with cropped dark brown hair.
He was wearing a two-tone leather bomber jacket.
Witnesses, or anyone who knows anything about this incident, should call police on 101 or Crimestoppers anonymously on 0800 555111.