Details of the incident at 10.30pm on the 10th of July have just been released by police.
Officers believe the man in the CCTV image 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 by calling 0800 40 50 40 quoting reference 164 of 14/07/24.
Alternatively, you can call Crimestoppers anonymously on 0800 555 111.
