The document summarizes the 2005 7/7 London bombings, which involved four suicide bombers detonating explosives on the London Underground and a bus. Fifty-two people were killed and over 700 were injured. The bombers were later identified as British Muslims between ages 18-30. The bombings had significant economic, political, and social impacts in Britain and globally, including increased security measures, anti-terrorism laws, and distrust of Muslims.