LONDON, ENGLAND - JULY 07: A man places a floral tribute next to a memorial remembering the victims of the London bus bombing 7/7 terrorist attacks on July 7, 2011 in London, England. Today marks the... more 
LONDON, ENGLAND - JULY 07: A man places a floral tribute next to a memorial remembering the victims of the London bus bombing 7/7 terrorist attacks on July 7, 2011 in London, England. Today marks the sixth anniversary of the terrorist attacks by four suicide bombers on the London Underground and a bus in Tavistock Square. Fifty-two people were killed in the 2005 attacks. (Photo by Peter Macdiarmid/Getty Images) less 
1 / 7
Getty Images | Photo By Peter Macdiarmid / Getty Images
Thu, Jul 7, 2011 6:58 AM EDT