British Transport Police have released an image of a man they wish to speak after a teenage girl was sexually assaulted on t train from Manchester Piccadilly
The incident happened after 8pm on Sunday 18 August.
A man is reported to have approached a teenage girl who was waiting for a train to Hadfield.
He boarded the same train as the victim and sat next to her.
While he was sat next to the victim he put his hands around her and touched her inappropriately.
Officers would like to speak to the man in the image who may have information that could help their investigation.
Anyone who recognises him is asked to contact BTP by texting 61016 or by calling 0800 40 50 40 and quoting reference number 524 of 18/08/19.