GLASGOW, SCOTLAND - SEPTEMBER 19:  Supporters at a "Yes" rally in George Square react on September 19, 2014 in Glasgow, Scotland. Polls have now closed in the Scottish referendum and the United Kingdom await the results of this historic vote.  With a substantial turnout at the polling stations the vote is too close to call and the result is expected in the early hours of Friday morning.  (Photo by Mark Runnacles/Getty Images)