June 24, 2016 5:09 am UK PM to Step Down as Country Votes to Leave EU Prime Minister David Cameron said he will step down after his country voted to leave the European Union. The decision shocked the world and sent stocks plunging. Katherine Creag reports. US & World Videos 1:36 Arizona Senate repeals 1864 abortion ban 2:15 Heavily-camouflaged minors charged after ‘assassins' game at Old Lyme school 2:40 7th grader brought gun to school in Hartford: police 1:40 Democrats say Big Oil misled public for decades about climate change 1:36 A student brought a gun to middle school in Hartford: police