People lay flowers at the memorial to the victims of the July 7 London bombings, at Hyde Park in London July 7, 2011. Thursday marks the sixth anniversary of the July 7 bombings, which killed 52 people and injured more than 770.

Flowers are laid following a service at the memorial to the victims of the July 7, 2005 London bombings in Hyde Park on July 7, 2011 in London, England. Today marks the 6 year anniversary of the terrorist attacks by four suicide bombers on the London Underground and a bus in Tavistock Square which claimed the lives of 52 people.