Police have released CCTV images of a man they would like to speak to in connection to an assault.
A 42-year-old man suffered cuts and bruising to his face as he left a train at Retford station and was assaulted by a man he had spoken with during the journey from London.
The incident happened on March 11 at 11.40pm.
Investigating officer Det Sgt Paul Kazimierczyk said: “I am keen to speak to the man in the CCTV image as I believe he may have vital information which could help with the investigation.
“This incident happened on the day of the England v Scotland Six Nations fixture, which may help to jog people’s memories. I urge anyone who was travelling on this service to get in touch if they witnessed the incident.
“Everyone has the right to travel without fear or intimidation.”
Anyone with any information should contact British Transport Police on 0800 40 50 40 or text 61016 quoting crime number 257 30/3/17.