Britain votes on EU membership after tight and bitter campaign
Most opinion polls put the "Leave" and "Remain" camps neck-and-neck at the end of a campaign that was dominated by immigration and the economy.
Leader of the United Kingdom Independence Party (UKIP) Nigel Farage waves a launch for an EU referendum poster from a bus at Parliament Square in London, Britain June 16, 2016.(photo credit: REUTERS)ByREUTERS