Police have released CCTV images of a man who allegedly sat opposite a passenger and exposed himself on a train travelling between Hither Green and Orpington.

The incident took place at around 10.15pm on Saturday December 5, with the suspect boarding at Hither Green before sitting opposite the victim.

The man continuously stared at the victim before exposing himself inappropriately.

He then disembarked the train at Orpington railway station shortly after the incident.

If you recognise him, or have any information, please contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 2000136779.

Alternatively, you can call Crimestoppers anonymously on 0800 555 111.