British Transport Police are appealing for any witnesses or people with information about a sexual assault on a train near Crofton Park to come forward.
The police say the victim was attacked on a train travelling from Sevenoaks into London at 7.10pm on Sunday, September 20.
Officers say a man approached the victim and made “suggestive and threatening comments” before the assault.
The attack is said to have took place on board the train near Crofton Park – where he disembarked.
CCTV images have now been released of a man that police say could help their investigation.
If you recognise him, or have any information that could help, text 61016 or call 0800 40 50 40.
To remain anonymous, call Crimestoppers on 0800 555 111.