Police have released CCTV images after a man followed a woman onto a train, told her she was his type and touched her inappropriately.

Just after midnight on May 17, the victim was waiting for a train at Putney station.

She was approached by a man who started talking to her and who then followed her to a set of seats when the train heading to Brentford arrived.

He told her "you're my type" and spoke to her throughout the journey before touching her inappropriately.

Police investigating this sexual assault believe the man in the CCTV images released may have information which could help in their investigation.

If you recognise him or have any further information, contact BTP by textin 61016 or calling 0800 40 50 40 quoting reference 374 of 17 May.

A British Transport Police spokesperson said: "Do you recognise this man?

"Officers investigating a sexual assault on-board a train between Putney and Brentford are releasing CCTV images in connection.

"At just after midnight on 17 May, the victim was waiting for a train at Putney station when she was approached by a man who began talking to her.

"When the train arrived, the man followed the victim to a set of seats and said, “you’re my type”.

"He continued to talk to her throughout the journey before touching her inappropriately.

"Officers believe the man in the CCTV images may have useful information which could help their investigation.

"If you recognise him or have any further information, please contact BTP by texting 61016 or calling 0800 40 50 40 quoting reference 374 of 17 May.

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