As well as 52 fatalities, more than 700 people were injured in the attacks LONDON: UK prime minister Boris Johnson led tributes on Tuesday to 52 victims of the July 7 bombings to mark the 15th anniversary of the terror attack in London. Four suicide bombers struck three London Underground trains and a double-decker bus at sites across the British capital — on the Circle Line near Aldgate and Edgware Road, the Piccadilly Line near Russell Square and Tavistock Square — in coordinated strikes in 2005. As well as the 52 fatalities, more than 700 people were injured in the attacks.