08:50: Initial reports of an incident between Liverpool Street and Aldgate tube stations, either an explosion or a collision between trains. The reports from the two stations were initially thought to relate to two separate incident
08:50: Explosion on train between King's Cross and Russell Square tube stations. Eyewitnesses report explosion appeared to come from outside the train (this explosion was initially reported to have happened at 08:56).
08:50: Explosion on train at Edgware Road tube station (this explosion was initially reported to have happened at 09:17).
09:28: Tube operator Metronet says the incident was caused by some sort of power surge.
09:33: Reports of an incident at Edgware Road tube station. Reports that passengers on a train hit by an explosion attempted to break windows with umbrellas in order to escape.
09:46: British Transport Police announce there had been more explosions at King's Cross, Old Street, Moorgate, and Russell Square.
09:47: Explosion on number 30 bus travelling between Marble Arch and Hackney Wick at Upper Woburn Place/Tavistock Square.
09:49: Entire London Underground system shut down.
10:00: National Grid announces there had been no problem with power surges.
10:40: First report of fatalities, government source speaks of 20 dead.
11:08: Bus services suspended across central London.
11:10: Metropolitan Police Commissioner Sir Ian Blair confirms fears that it is a coordinated terror attack, but appeals for calm, asking people not to travel to London or make unnecessary calls to the emergency services.
12:05: Prime Minister Tony Blair speaks out on the incident, calling the attacks a coordinated series of 'barbaric' terrorist attacks.
17:30: Having flown back from Scotland, from the G8 Summit, Prime Minister Tony Blair emerges from a meeting in Downing Street and urges the public not to 'be terrorised'.
18:13: Deputy Assistant Police Commissioner Brian Paddick confirms 37 fatalities: two in the bus explosion at Upper Woburn Place/Tavistock Square, seven at Liverpool Street/Aldgate, seven at Edgware Road, and twenty-one in the King's Cross/Russell Square blast, as well as around seven hundred injuries, with roughly three hundred of those being transported by ambulance to London hospitals.
21:40: The Metropolitan Police announce that a person injured in one of the blasts has since died in hospital care.
