The police have launched a investigation after a good Samaritan was beaten for defending an Asian man in a Isabel Line train.

The suspect began racially abusing the first victim on board a service between London Liverpool Street and Seven Kings stations shortly after 10 pm on August 2.

British Transport Police He said: “One passenger intervened on behalf of the Asian man, before the other punched him in the face.”

Detectives investigating a racially aggravated assault incident on Aug. 2 released an image of a man who may have information that could help them.

“Do you recognize this man?” added a police spokesman.

Anyone who knows who is urged to contact BTP by texting 61016 or calling 0800 40 50 40, quoting reference 822 of 2 August, or Crimestoppers anonymously at 0800 555 111.