"What is certain is that the real losers are those people who have to live in the devastated communities and try to pick up the pieces of their lives, and the police officers and innocent bystanders who end up in hospital."

Complete agreement with that Pete but, whatever people's grievances, there can be no excuse whatsoever for the kind of mob-violence, arson and looting that went on in Tottenham, or at any other demonstration. None.