Passengers have been evacuated onto the tracks after two trains collided between Bedford and Luton.
Concern is growing over serious injuries or fatalities after the crash on the railway line this evening.
More than 30 emergency vehicles have been scrambled to the scene after reports of collision involving two trains.
British Transport Police said: ‘Two trains crash in Bedford with railway lines closed.’
Bedfordshire Fire and Rescue Service said: ‘Two trains crash in Bedford with railway lines closed.’
The incident is believed to involve two East Midlands Railway trains.
An air ambulance has been dispatched and the East of England Ambulance service has sent ‘a number of resources.’
Transport Secretary Heidi Alexander said: ‘I’m deeply concerned to hear reports of the collision involving 2 East Midlands Railway passenger trains.
‘I’m grateful to emergency services who are on the scene, attending to those affected. We’re working quickly with the rail industry and local partners to support passengers.’
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