Police want to speak to this man after a 14 year old girl was sexually assaulted on a train from Rose Hill to Manchester Piccadilly
The girl boarded a train to Rose Hill Marple with friends at Manchester Piccadilly.
A man then also boarded the stationary train and deliberately fell on top of her, sexually assaulting her in the process.
Officers believe the man in the image has information that could assist their enquiries.
