This is how events unfolded on Thursday July 7 2005, the day four suicide bombers brought terror to London.
3.58am: A light blue Nissan Micra hired by Shehzad Tanweer, 22, and thought to have had Mohammad Sidique Khan, 30, and Hasib Hussain, 18, as passengers is caught on CCTV in Hyde Park Road, Leeds, before joining the M1.
5.07am: Jermaine Lindsay, 19, arrives at Luton station car park in a red Fiat Brava.
6.49am: The Micra arrives at Luton and parks next to the Brava. All four men get out and appear to move items between the two boots before putting on rucksacks.
7.15am: The men enter Luton station and go through the ticket barriers heading to the platform for the Thameslink train to London King's Cross.
7.40am: The train sets off.
8.23am: The train arrives at King's Cross, slightly late after a delay further up the line. The four head in the direction of the London Underground system.
8.30am: Four men fitting their descriptions are seen hugging before splitting up. Khan boards a west-bound Circle Line train, Tanweer an east-bound Circle Line train, and Lindsay a south-bound Piccadilly Line train. Hussain also appears to walk towards the Piccadilly Line entrance.
8.50am: Three bombs explode within a minute on London Underground trains.
Liverpool Street: Seconds after leaving the platform the eastbound Circle Line train is blown up by Shehzad Tanweer - almost certainly in the second carriage from the front. Eight people die including Tanweer, with 171 injured.
Edgware Road: The westbound Circle Line train is blown up by Mohammad Sidique Khan. who is also in the second carriage from the front. Seven people including Khan are killed, and 163 injured.
Between King's Cross and Russell Square: Jermaine Lindsay blows himself up in the packed front carriage, killing 27 people including himself and injuring more than 340.
In pictures: The 10th anniversary of the 7/7 London bombings
In pictures: The 10th anniversary of the 7/7 London bombings
1/26 7/7 bombings anniversary
Security staff and workers from Hyde Park observe a minutes silence at the 7/7 memorial in Hyde Park
2/26 7/7 bombings anniversary
People pause for a minutes silence at Kings Cross Underground station in London, as Britain remembers the July 7 attacks amid a welter of warnings about the enduring and changing threat from terrorism a decade on
3/26 7/7 bombings anniversary
Members of staff working within the grounds observe a minutes silence to commemorate the tenth anniversary of the July 7 terrorist attacks at the All England Lawn Tennis and Croquet Club, Wimbledon
4/26 7/7 bombings anniversary
Police officers within the grounds observe a minutes silence to commemorate the tenth anniversary of the July 7 terrorist attacks at the All England Lawn Tennis and Croquet Club, Wimbledon
5/26 7/7 bombings anniversary
Representatives from 7 Company, Coldstream Guards and HQ London District join the national act of remembrance for the 7th July bombings 10th year anniversary beside the Ministry of Defence Main Building in central London and led by Rabbi Major Reuben Livingstone
6/26 7/7 bombings anniversary
People observe a nationwide minute's silence on the 10 year anniversary of the 7/7 London attacks which killed 52 people, facing in the direction of a plaque and flowers laid at the location of where a suicide bomber blew themselves up during the morning rush hour on a bus in Tavistock Square
7/26 7/7 bombings anniversary
George Psaradakis (centre), the driver of the number 30 bus which was blown up in Tavistock Square, looks at floral tributes left close to the scene of the bombings in London
8/26 7/7 bombings anniversary
People stop to observe a minute's silence at Aldgate underground station, in memory of the victims of the July 7 bombings
9/26 7/7 bombings anniversary
Flowers left by the July 7 memorial plaque at Aldgate Station, London, which names those who were killed in the bombings at the station
10/26 7/7 bombings anniversary
Members of various religious groups pray during a service in St Paul's Cathedral, to commemorate the tenth anniversary of the London Bombings in London
11/26 7/7 bombings anniversary
Poppy petals fall from the roof during a service in St Paul's Cathedral, to commemorate the tenth anniversary of the London Bombings in London
12/26 7/7 bombings anniversary
A police officer looks at flowers left at Kings Cross Underground station in London
13/26 7/7 bombings anniversary
Flowers left by the July 7 memorial plaque at Aldgate Station
14/26 7/7 bombings anniversary
Boris Johnson and David Cameron place wreathes at the July 7 memorial in Hyde Park, London
15/26 7/7 bombings anniversary
David Cameron and Boris Johnson take part in a wreath laying ceremony in London's Hyde Park, in memory of the 52 victims of the 7/7 London attacks
16/26 7/7 bombings anniversary
David Cameron and Boris Johnson during a ceremony at the memorial to the victims of the July 7, 2005 London bombings, in Hyde Park
17/26 7/7 bombings anniversary
From left: Paul Crowther, Chief Constable, British Transport Police, Adrian Leppard, Commissioner City of London Police, and Sir Bernard Hogan-Howe, Commissioner of the Metropolitan Police, carry wreathes at the July 7 memorial in Hyde Park
18/26 7/7 bombings anniversary
People look at flowers left in Tavistock Square
19/26 7/7 bombings anniversary
7/7 survivor Gill Hicks (centre) arrives with flowers at Russell Square tube station
20/26 7/7 bombings anniversary
People embrace outside Edgware Road tube station, as Britain remembers the July 7 attacks
21/26 7/7 bombings anniversary
A lady carrying flowers leaves Russell Square tube station
22/26 7/7 bombings anniversary
Faith leaders promote religious unity in central London, as Britain prepares to mark 10th anniversary of the 7/7 London bombings in which 52 people were killed
23/26 7/7 bombings anniversary
Gill Hicks, (L) a survivor of the 7/7 London terror attacks, embraces police constable Andrew Maxwell outside Kings Cross Station in London, during an event to launch a walk by faith leaders promoting religious unity ahead of the anniversary of the attacks
24/26 7/7 bombings anniversary
A memorial dedicated to the 52 people that were killed during the 7/7 terror attacks in London is pictured in London's Hyde Park
25/26 7/7 bombings anniversary
The July 7 memorial in Hyde Park
26/26 7/7 bombings anniversary
A memorial dedicated to the 52 people that were killed during the 7/7 terror attacks in London is cleaned in London's Hyde Park
8.55am: Hussain walks out of King's Cross Underground station and tries unsuccessfully to contact the other three.
9.19am: A man thought to be Hussain is seen on a bus to Euston, from where he is believed to have boarded the Number 30 bus.
9.30am: Cobra, the Government's national crisis management facility, is activated in response to the explosions.
9.47am: Hussain detonates his bomb on the number 30 bus at Tavistock Square, killing 14 people including himself, and injuring more than 110.
10.21am: Scotland Yard confirms there have been "multiple explosions" in London.
Noon: Prime Minister Tony Blair, speaking at the G8 summit in Gleneagles, says: "It is reasonably clear there have been a series of terrorist attacks in London."
Afternoon: There are subsequent statements from Home Secretary Charles Clarke in the House of Commons, and London Mayor Ken Livingstone in Singapore with the 2012 Olympic bid team. Mr Blair returns to London during the afternoon.
5.50pm: United Nations Security Council unanimously condemns the attacks.
10.19pm: Hussain's family report him missing.
11.40pm: Among several items reportedly found by a police exhibits officer are cards and personal items in the name of "Sidique Khan" and "Mr S Tanweer" at Aldgate.
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