Watch | British PM David Cameron quits over Brexit

British Prime Minister David Cameron says he's resigning, now that the majority of British voters decided to leave the European Union in a historic referendum.Cameron says Britain needs fresh leadership.He says although Britain's departure from the EU is not what he would have chosen, negotiations should begin to leave the 28-member bloc and that he's not the “captain” to steer the country through those negotiations.Cameron says, “There is no need for a precise timetable today, but in my view we should aim to have a new prime minister in place by the start of the Conservative Party conference in October.”