A spokesperson said: "Thank you to those who responded to our recent appeal to help identify a man in Wantage. Police are investigating the incident which happened at the Wantage supermarket in Limborough Road. Officers say the victim, a man in his late teens, was approached by a man who sexually assaulted him by touching him over his clothes. Thames Valley Police is now releasing a CCTV image of a shopper who officers would like to speak to in connection with the sexual assault investigation. “You can visit a police station, call 101, or make a report via our website, quoting reference number 43260393059.”