Train crash in Herts

One carriage of the train has mounted the platform at Potters Bar

The 12:45 pm train from King's Cross in London has crashed at Potters Bar in Hertfordshire.

Emergency services are at the scene and the severely injured have been taken to Barnet General Hospital.

There is an emergency phone number for people who think they may know someone who was on the train or at the station: 01707 354 158.

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The West Anglia Great Northern train from London King's Cross to King's Lynn left on time.

Four carriages; 151 passengers: the only scheduled stop was to be at Cambridge. But the train never got there.

About ten minutes after leaving Kings Cross the electric train derailed as it sped towards Potters Bar station in Hertfordshire.

It left the track as it was crossing a road bridge just south of Potters Bar.

Hertfordshire police say the momentum of the collision caused the rear part of the train to continue into the station and onto the platfrom.

Eyewitness accounts from the scene say passengers were flung from the carriages on to the track.

Local hospitals put their emergency plan into action. As the afternoon wore on a clearer picture emerged of casualties.

Six people had died, seventeen others are seriously injured, three of which critically. But several dozen were able to walk from the wreckage, some of them unscathed.

PM's Andrew Bomford reported on the crash, Health Correspondent Chris Hogg from the hospital and reporter Richard Miron from the scene.