Police have released images of three men wanted in connection with an incident in which a woman was racially abused on a train.

The victim a 30-year-old Asian woman, was travelling alone on the 3.55pm West Croydon to London Bridge service on Saturday May 4.

During the journey she was talking on her phone in a foreign language, when a group of men launched a torrent of foul and racist language towards her.

Last week, officers from British Transport Police appealed for anyone who was on the train who may of heard what was being said, or seen what happened to come forward.

They have now released images of three men they believe may have information key to their investigation.

PC Alexandra O'Leary said: "The woman was subjected to a barrage of foul racist abuse by a group of men, including threats of violence.

"This was understandably an incredibly distressing incident for the victim, who challenged the men's behaviour.

"Anti-social, racist or violent behaviour has no place on the railway and passengers should feel able to use the network without fear of becoming a victim of crime."

Anyone with information should contact British Transport Police by calling 0800 40 50 40 or texting 61016 quoting B5/LSA of 08/05/2013.

Alternatively contact the independent charity, Crimestoppers, on 0800 555 111 anonymously.