CCTV images have been released by police after a man touched himself inappropiately in front of female passengers on a Croydon train.

The British Transport Police released an image of the man they want to speak to in connection with the attack, which happened on a train between East Croydon and Gatwick on December 28 at about 9.30pm.

Female passengers were sitting on the train when they noticed a man opposite them exposed himself and began to touch himself inappropriately.

Officers would like to speak to the man in the images as he may have information that could help with the investigation.

If you recognise him, please call British Transport Police on 0800 40 50 40 or text 61016 quoting reference number 200 24/01/17.