Police are appealing for witnesses after a 72-year-old man was punched and kicked by a group of teenagers at St Pancras international station.
The attack happened on Thursday 19th December at around 10.30am as a First Capital Connect train arrived on Platform A.
Officers have released three CCTV images of people they would like to talk to in connection with the incident.
The victim, who is from Cricklewood, says he saw a group of four or five teenagers throwing sweets at passengers and asked them to stop.
One of the teenagers then punched him in the face. He was apparently punched and kicked again as he left the train.
More top news
The killer's solicitor has written to police challenging them to prove his confession.
Tottenham last won the league back in 1961 - but they are feeling confident after a string of great performances this year so far.
Crimestoppers are offering the reward as police say they are becoming increasingly concerned at the viciousness of the assaults.