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A look at the events of July 7, 2005, when 52 people were killed in four bombings by Islamist terrorists targeting commuters travelling on London's public transport.

The investigation into the attack begins and news breaks about the bombers' identities and connections, fanning feelings of fear and discontent.

Two weeks after 7/7, London is targeted by a second attack, which fails. During the hunt for the bombers, an innocent man is tragically killed.