A car burns after it was set on fire by rioters in Hackney, east London, Monday Aug. 8, 2011. Youths set fire to shops and vehicles in a host of areas of London _ which will host next summer&#39;s Olympic Games _ and clashed with police in the nation&#39;s central city of Birmingham, as authorities struggled to halt groups of rampaging young people. &#40;AP Photo&#47;Lefteris Pitarakis&#41; <span class=meta>(AP Photo&#47; Lefteris Pitarakis)</span>