This article is primarily concerned with accidents on the London Underground network, which carries around a billion passengers a year.
Most platforms at deep tube stations have pits beneath the track, originally constructed to aid drainage of water from the platforms, but they also help prevent death or serious injury when a passenger falls or jumps in front of a train and aid access to the casualty.
London Underground has a specialist therapy unit to deal with drivers' post-traumatic stress resulting from someone jumping under their train.
The earliest attack on the network was in 1885, when a bomb exploded on a Metropolitan line train at Euston Square station.
[5] Following the 1987 King's Cross fire as well as the permanent smoking ban on all London Underground premises, the programme of wooden escalator replacement was sped up, and stricter controls on the storage of materials were introduced.
Meanwhile, London Mayor, Boris Johnson, decided it should be demolished along with the Earls Court Exhibition Centre as part of Europe's biggest regeneration scheme.