Riots swept across London and at least three other cities, as PM David Cameron returned early from holiday to tackle one of the worst outbreaks of violence for decades.
Rioting and looting spread across London as hooded youths set buildings and cars ablaze in a third night of violence in Britain's worst unrest in decades.
Nearly 10 years after scientists cloned the first cat, predictions of a vast commercial market for the "resurrection" of beloved pets through cloning have fallen flat.
Thirty US troops including special forces died when the Taliban shot down their helicopter, officials said, in the biggest single loss for foreign troops in the decade-long war.