Police today issued this CCTV image of a man they want to question about a sex attack in Bradford.
He called at a house in Laisteridge Lane and told the 52-year-old female occupant that he was looking for a woman.
As she tried to close the door, the man pushed his way inside and grabbed at the woman's chest through her clothing. He then left the house and walked off.
The woman was shaken by the incident but unhurt.
The suspect is described as black, tall and of large build. He was wearing a black waist-length coat, blue jeans and a brown baseball cap.
Anyone with information about the attack, which happened on Friday, December 27, at 1pm should contact police on 101 or Crimestoppers, anonymously, on 0800 555 111.