Documentary looking at the 2005 attack on London's transport system and the ensuing police investigation and the three-week hunt to catch the bombers.

The Attack
On 7 July 2005, four bombs explode in London. Detectives, survivors, emergency services and victims families relive the moment. Who did it, and will the bombers strike again?

Fragments of Evidence
Following the 7/7 attacks, politicians, survivors and police come to terms with the impact. The police frantically investigate, and the government urgently reassures the public.

Bombers Strike Again
Two weeks after 7/7 attack, the police are on the trail of the bombers. On 21 July, there’s another attack. Four bombers are on the run, and the manhunt leads to a catastrophic shooting.

the lb 4
Have the police made a huge mistake? Survivors reflect on the consequences of 7/7.