British Transport Police have released CCTV images of a man they are searching for after an incident that occurred on a train heading from Edinburgh to Airdrie earlier this year.
The male is described as having a 'strong' Scouse accent and officers believe he could have information to assist them in their investigation.
The incident in question took place onboard an Edinburgh Waverley to Airdrie train service between 11.09pm and 11.30pm on Monday, January 17.