BRITAIN-EU-VOTE-BREXIT

A man takes a copy of the London Evening Standard with the front page reporting the resignation of British Prime Minister David Cameron and the vote to leave the EU in a referendum. (LEON NEAL/AFP/Getty Images)

A man takes a copy of the London Evening Standard with the front page reporting the resignation of British Prime Minister David Cameron and the vote to leave the EU in a referendum. (LEON NEAL/AFP/Getty Images)

A man takes a copy of the London Evening Standard with the front page reporting the resignation of British Prime Minister David Cameron and the vote to leave the EU in a referendum, showing a pictured of Cameron holding hands with his wife Samantha as they come out from 10 Downing Street, in London on June 24, 2016.
Britain voted to break away from the European Union on June 24, toppling Prime Minister David Cameron and dealing a thunderous blow to the 60-year-old bloc that sent world markets plunging. / AFP / LEON NEAL (Photo credit should read LEON NEAL/AFP/Getty Images)