Ramzi Mohammed is confronted on the Tube after his bomb fails to explode

Ramzi Mohammed fleeing the scene after his failed detonation

Muktar Said Ibrahim was the leader or "emir" of the bomb plot

Hussain Osman captured on a bus CCTV after his bomb failed on the Tube

Yassin Omar, following his failed detonation

When scientists reconstructed the bomb, it was so dangerous they did it in a quarry, partly using robotics to prevent accidental death.

Yassin Omar fled to Birmingham dressed in a woman's full-length burka

Police photographs of the remains of the bomb mixture bubbling on trains before its safe destruction. The final picture is one of the detonators.

Muktar Ibrahim and Ramzi Mohammed surrender after being surrounded by police in north-west London.

This headband was recovered from one of the flats - police think it may have been part of a suicide "video will" which they have never recovered