A man was airlifted to hospital after falling from a bridge near Thetford Railway Station.
The man was taken to Addenbrooke’s Hospital following the incident at 6.47pm on Tuesday.
The railway line was closed until 7.50pm.
On Wednesday, a spokesman for the British Transport Police said the man was in a ‘critical condition’ and the incident is being treated as non-suspicious.
Anyone with information should contact the police on 0800 40 50 40.