LONDON, ENGLAND - JUNE 24: Supporters of the Stronger In Campaign react as results of the EU referendum are announced at the Royal Festival Hall on June 24, 2016 in London, United Kingdom. The United Kingdom has gone to the polls to decide whether or not the country wishes to remain within the European Union. After a hard fought campaign from both REMAIN and LEAVE the vote is too close to call. A result on the referendum is expected on Friday morning. (Photo by Rob Stothard/Getty Images)

LONDON, ENGLAND - JUNE 24:  Supporters of the Stronger In Campaign react as results of the EU referendum are announced at the Royal Festival Hall on June 24, 2016 in London, United Kingdom. The United Kingdom has gone to the polls to decide whether or not the country wishes to remain within the European Union. After a hard fought campaign from both REMAIN and LEAVE the vote is too close to call. A result on the referendum is expected on Friday morning. (Photo by Rob Stothard/Getty Images)