CCTV images of a man who behaved indecently on a train have been released by police.

The "unsavoury" incident took place on the 7.30pm Glasgow Queen Street to Edinburgh train on Monday, January 16.

British Transport Police said the man had boarded the train at Bellgrove station in the east end of Glasgow before getting off the service at Garrowhill.

Images of the man who police believe "may be able to assist with their enquiries" were released on Wednesday.

Detective Constable Pamela Connelly said: "I am appealing for anyone who was on the train or at the stations and who may have information regarding this unsavoury incident or the identity of the man shown in the photographs to contact me as a matter of urgency."

Anyone with information should contact British Transport Police on 0800 405040.