A council worker removes a destroyed vehicle, spray painted with the slogan "Welcome to Hackney" in Hackney, north London August 9, 2011. British Prime Minister David Cameron said he would recall parliament from its summer recess for a day on Thursday after rioting swept through London for three consecutive nights. [Photo/Agencies]

Smoke continues to rise from a Sony Warehouse which was destroyed by arsonists in Enfield in north London August 9, 2011. [Photo/Agencies]