CCTV images have been released of a man transport police would like to speak to after a report of af sexual assault on board a train.

The incident happened earlier this month and police believe the man pictured could help with the investigation.

The alleged incident happened between 2.20pm and 3.35pm on Tuesday, April 11, when a man boarded a Transpennine Express service at York.

Officers say a man sexually assaulted the 19-year-old victim before leaving the service at Manchester Victoria station.

A spokesman for British Transport Police said: "Officers believe the man in the images may have information that could help their investigation.

"Anyone who knows him is asked to contact BTP by texting 61016, or by calling 0800 40 50 40 quoting reference number 354 of 11/04/2023.

"Alternatively, call Crimestoppers anonymously on 0800 555 111."