Police have released an image after a woman was sexually assaulted on a London train.
The woman was travelling on a train between London Victoria and Tulse Hill at around 5.50pm on June 29 when she was attacked.
A man sat next to her before making unwanted contact and then sexually assaulting her.
He moved away from the woman when other passengers looked over.
British Transport Police officers have now released an image of a man they want to speak to in connection with their enquiries.
Anyone who recognises the man is asked to text BTP on 61016 or call 0800 40 50 40 using the reference 134 of July 1.
Information can be given anonymously to Crimestoppers on 0800 555 111.