The 0530 service between Norwich and Cambridge has derailed this morning at Croxton level crossing.
http://news.bbc.co.uk/1/hi/england/5337328.stmRail travellers face disruption during the rush hour after a train carrying seven passengers came off the rails at a level crossing in Norfolk.
The derailment happened when the 0530 BST Norwich to Cambridge train operated by One Railway went across the level crossing at Croxton.
A One spokeswoman said no-one was injured in the incident near Thetford and a vehicle was not involved.
There are delays of up to 120 minutes to the service between Norwich and Ely.
Some trains have been cancelled and a bus service is operating between Norwich and Ely.
Central Trains are also affected.