OLDHAM, ENGLAND - DECEMBER 04: Jim McMahon MP (L) stands with Labour Party Leader Jeremy Corbyn (C) outside the Chadderton Town Hall after winning the Oldham West and Royton by-election on December 4, 2015 in Oldham, England. Labour increased their share of the vote in the seat previously held by Labour's Michael Meacher, who died in October. UKIP came second and the Conservative Party third. (Photo by Richard Stonehouse/Getty Images)
