LONDON, ENGLAND - DECEMBER 01: Independent candidate Zac Goldsmith and his wife Alice Rothschild leave after casting their votes in the Richmond Park by-election on December 1, 2016 in London, England. The by-election takes place today and was triggered by the resignation of Conservative MP Zac Goldsmith in protest at the Government's proposal for a third runway at nearby Heathrow Airport. (Photo by Carl Court/Getty Images)
