A major incident has halted trains in part of West Yorkshire.
Rail services were suspended tonight after an emergency on the tracks on the key trans-pennine route which runs from Leeds and Huddersfield towards Stalybridge and Manchester.
Reports suggest that a train may have struck a pedestrian at Slaithwaite, in the Colne Valley area of Kirklees.
Trans-Pennine Express has tweeted: "Due to the emergency services dealing with an incident on the line at Slaithwaite, all services are currently suspended between Stalybridge and Huddersfield. More information to follow."
A picture has emerged on social media of a stationary train on Slaithwaite viaduct.
One Facebook poster said an air ambulance had landed nearby.
Another said there had been an incident at Slaithwaite railway station "involving a person and a train."
The poster said the person was treated at the scene and conveyed to hospital.
The condition of the injured person remains unclear.
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