LONDON (AFP) - Two of the suicide bombers behind last year's deadly London transport attacks likely had contacts with Al-Qaeda, but British security lacked resources to stop the atrocity, an official report has concluded. The report, by an influential parliamentary committee, cleared intelligence services of any culpable failings in preventing the four bombers carrying out Britain's worst terror attack, which killed them and 52 other people. In the first full account of the events before and after the July 7 blasts, the document said Mohammad Sidique Khan, 30, and Shehzad Tanweer, 22 -- two of the bombers -- had appeared...