What happened during the attack?published at 08:16 British Summer Time

The bombings were carried out by Mohammad Sidique Khan, 30, Shehzad Tanweer, 22, Germaine Lindsay, 19, and Hasib Hussain, 18.
On the morning of the attack Khan, Tanweer and Hussain left Leeds at 04:00 and travelled in a rented car to Luton where they met Lindsay.
The group then boarded a train to the capital where they carried out the bombings.
Khan, Tanweer and Lindsay detonated their devices just before 08:50 on three Underground trains which had left King's Cross.
Hussain detonated his on a bus in Tavistock Square at 09:47.
In total, 52 people were killed in the blasts, while more than 700 people were injured.
You can watch a video montage of what happened that day here.