A 14-year-old girl was sexually assaulted by a man while travelling on a bus in Westminster.

Officers from the Metropolitan Police Service's Roads and Transport Policing Command are appealing for information following a report of a teenager being allegedly touched sexually while on a route 436 bus at Park Lane.

The incident is said to have happened on Tuesday February 24 at around 4pm.

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 have released a CCTV image of the alleged suspect and have asked 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.