London's Mayor Ken Livingstone (L), Culture Secretary Tessa Jowell (3rd L), Transport For London Commissioner Peter Hendy (R) and London Underground Managing Director Tim O'Toole (2nd L) lay flowers on the first anniversary of the July 7th bombings at the King's Cross station memorial garden in London July 7, 2006. Britain marked the first anniversary of the London bombings on Friday in a mood of sombre reflection but many still fear Islamist militants, having attacked them once, might do so again. EDITORIAL USE ONLY REUTERS/Shaun Curry/Pool (BRITAIN)