![Firefighters tackle a fire in a building in Tottenham, north London August 7, 2011. Crowds attacked riot police and set two squad cars alight in north London on Saturday following a protest at the fatal shooting of a man by armed officers earlier in the week. [Agencies]](http://images.china.cn/attachement/jpg/site1007/20110808/00016c8b649f0fa9b52802.jpg "Firefighters tackle a fire in a building in Tottenham, north London August 7, 2011. Crowds attacked riot police and set two squad cars alight in north London on Saturday following a protest at the fatal shooting of a man by armed officers earlier in the week. [Agencies]")
Firefighters tackle a fire in a building in Tottenham, north London August 7, 2011. Crowds attacked riot police and set two squad cars alight in north London on Saturday following a protest at the fatal shooting of a man by armed officers earlier in the week. [Agencies]