A police officer pushes the media back during a police charge in Hackney, north London on 8 August 2011. Now in it's third night of unrest, London has seen sporadic outbreaks of looting and clashes both north and south of the river Thames. Two police cars and a large number of buildings were on Saturday set ablaze in Tottenham, north London following a protest over the fatal shooting of a 29-year-old man in an armed stand-off with officers. The patrol cars were torched as dozens gathered outside the police station on the High Road in Tottenham. AFP PHOTO / LEON NEAL
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