Police investigating a bus sex attack on a young teenage girl in central London have released this CCTV image of a suspect.
Officers from the Metropolitan Police Service's Roads and Transport Policing Command have launched the appeal after the Westminster incident.
On Tuesday, 24 February at about 4.00pm, the 14-year-old girl was travelling on a route 436 bus along Park Lane when she was sexually touched by a man.
The suspect is described as a middle-aged Asian man, with short dark hair, balding at the top.
He was wearing a hooded sweatshirt and a black rucksack.
Police officers are releasing a CCTV image and ask anyone with information to contact Detective Constable Clare Beauchamp, who is leading the investigation, on 07920 590195 or Crimestoppers anonymously on 0800 555 111, quoting reference 173251.