The man, 32, was on a Northern line train from Leicester Square when a group of men allegedly racially abused him on June 28 at 1.50am. According to the British Transport Police (BTP), the group all left the train at Camden Town station where the incident escalated into the group attacking the man the ground. Members of the public and station staff tried to intervene, but the assault continued before the group fled and got on a train towards High Barnet. Police have been investigating the incident and CCTV images have been released of a group who officers would like to speak to. Anyone with information is asked to text on 61016 or call 0800 40 50 40 quoting reference 64 of 28 June.