Can you help officers from British Transport Police identify this man?
They would like to speak with him in connection to a sexual exposure on board a train travelling between Grays and Tilbury. The incident happened between 6.48am and 7am on 12 March.
A 14-year-old girl was sat on the train when a man sat across from her in the aisle and started to touch himself inappropriately. He stared at the girl whilst touching himself.
He then left the train at Tilbury.
Officers would like to speak with the man in the CCTV image as they believe he has information that could help the investigation.
You can pass information to BTP by sending a text to 61016 or by calling 0800 40 50 40 quoting reference 446 of 12/03/2018. Alternatively, contact Crimestoppers anonymously on 0800 555 111.