With Britain still basking in the feel-good factor generated by the Olympics, it's amazing to think that just over a year ago London was burning, after the shooting of a man in Tottenham by police led to rioting and looting across the capital and beyond.
Various reasons were put forward for the causes of the unrest: from "feral youth" and an opportunistic criminal "underclass" to disenchantment with "Broken Britain", as well as the mobilising force of social networking tools such as BBM and Twitter.
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