Police are appealing for witnesses after a 14-year-old girl was sexually assaulted on a bus.

The girl was travelling on a route 422 bus between Bexleyheath and Charlton Road when she was assaulted at 5.30pm on Tuesday, June 30.

CCTV images of the suspect have been released by Met Police.

He is described as an Asian man between 20 and 25, of stocky build and with a long beard and dark hair.

Call 07771 306858 or Crimestoppers anonymously on 0800 555 111, quoting reference 183447, with information.

Unwanted sexual behaviour on the transport network is not tolerated, and is a taken seriously - dial 111 to report sexual offences, or 999 in an emergency.