In a week when riots have spread from Tottenham across London and now other major UK cities, and the Prime Minister and Mayor of London have cut short their holidays to deal with the crisis, Question Time returns for a special edition.David Dimbleby chairs a panel of politicians and public figures as they take questions from the audience on what sparked the rioting, the police response and how to deal with the root causes of the unrest. The panel includes founder of children's charity Kids Company, Camila Batmanghelidjh; Conservative MP David Davis; journalist Fraser Nelson; police officer Brian Paddick; Labour MP John Prescott; and Anglican bishop John Sentamu.