A MAN exposed himself in front of passengers on a train.

British Transport Police have launched an investigation following an indecent public exposure incident last month.

A man was seen touching himself inappropriately in front of passengers on a Northern Rail service between Preston and Blackpool North.

The service is part of the line that runs from York to Blackpool North and stops at stations in Blackburn, Burnley and Accrington.

Officers have today released CCTV of a man they wish to speak with in connection with the incident, which occurred between 2.30pm and 2.50pm on August 30.

Anyone with information is asked to contact BTP by calling 0800 405040 or texting 61016, with reference 345 of 30 August.