Seven people were killed and five more suffered critical injuries when another disaster struck the British railway network.

Britain's Transport Secretary Stephen Byers says rail travel is still one of the safest forms of transport.

A sixth person has died following the Potters Bar train crash near London.

Latest casualty figures from today's train crash outside London indicate five people dead, 15 others with life threatening or serious injuries, and a further 70 walking wounded.

Latest reports suggest there are now five people dead after a train derailed outside London this afternoon.

Police said three people are now confirmed dead after a four-carriage train came off the rails in Hertfordshire outside London today.

Latest reports suggest there are at least three fatalities and 12 people seriously injured after the train crash outside London.

Fire services attending a train crash outside London say there are reports passengers may still be trapped on the derailed train.

Police feared that death had returned to the railways today after a three-carriage passenger train derailed, apparently smashing into a railway bridge north of London.