BTPPolice have released CCTV images of a man following an incident onboard a train.
The incident unfolded onboard the train service between Shettleston and Airdrie between 11.30pm and 11.55pm on January 19.
The suspect is described as a white male, of medium build, around 30 to 40 years old, with a buzz cut and brown hair.
He was wearing a black puffer jacket, black trousers and red trainers. He had a strong Glaswegian Scottish accent.
Officers believe the man in the CCTV images may have information that could help their investigation.
Anyone who recognises him or has any other information is asked to contact British Transport Police by texting 61016 or calling 0800 40 50 40, quoting reference 2600007667.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.
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