Do you recognise this man?
British Transport Police (BTP) detectives investigating a report of a man masturbating on board a train are releasing this image in connection.
At just before 2pm on Monday 11 May, the victim was on a service between Birmingham and Droitwich Spa when a man sat opposite her.
During the journey he masturbated while looking at the victim.
He then moved to another seat in the carriage before leaving the service at Droitwich Spa station.
Detectives would like to identify the man in the CCTV image as he may have information to assist their investigation.
Anyone who recognises him is asked to contact BTP by texting 61016 or calling 0800 40 50 40, quoting reference 326 of 11 May.
Information can also be given anonymously to Crimestoppers on 0800 555 111.
