A flasher who left a 29-year-old woman “very distressed” after exposing himself to her on a train to New Malden is being hunted by British Transport Police The Asian male, believed to be in his 50s, sat down next to the woman with his briefcase on his lap before lifting it to expose himself a short time later.

The woman immediately moved away from the flasher - who was 5ft 7ins, of heavy build and bald with flecks of white hair - and alerted another female passenger who escorted her from the train.

British Transport Police (BTP) have released a CCTV image of the man they would like to speak to, showing him on the train wearing square-rimmed glasses, a knee-length dark coat and dark-coloured trousers.

Anyone with information about the incident, which happened about 9.15pm between Wimbledon and New Malden on April 3, can contact BTP on 0800 405 040 or the Witness Appeal Line on 020 7391 5275.