One person has died after a train hit a car on a level crossing, British Transport Police said.
The incident happened on the crossing near Athelney in Somerset, which is on the line between Taunton and Castle Cary.
British Transport Police said there were no reports of any passengers on the train being injured in the crash.
The incident was causing disruption to rail services and operator First Great Western was using a limited bus replacement service between Taunton and Westbury.
A spokesman for British Transport Police said: "Shortly before 6.30am this morning BTP was called to reports of a car having been struck by a train at Athelney automatic half barrier level crossing.
"The train involved is the 0546 Exeter to London Paddington service.
"The train has not been derailed and there are no reports of any injuries to anyone on board.
"The car is trapped under the front of the train and services are currently stopped in the area."
Later, a BTP spokesman said: "There was one person in the car who has been pronounced dead at the scene.
"An investigation is under way to establish the full circumstances leading up to the incident."
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