BRITAIN-EU-POLITICS-BREXIT-VOTE

The Liberal Democrat Vote Remain campaign bus, campaigning to avoid a Brexit in the EU referendum, carrying Liberal Democrats Party leader Tim Farron arrives in east London on June 19, 2016. Farron launched the final week of referendum campaigning in London with the Liberal Democrats campaign bus. Britain goes to the polls on June 23 to vote to leave or remain in the European Union in a referendum. / AFP / BEN STANSALL (Photo credit should read BEN STANSALL/AFP via Getty Images)