LIVERPOOL, ENGLAND - SEPTEMBER 24:  Jeremy Corbyn MP gives the thumbs up to supporters after being announced as the leader of the Labour Party on the eve of the party's annual conference at the ACC on September 24, 2016 in Liverpool, England. The leadership battle between Jeremy Corbyn and MP for Pontypridd Owen Smith, was triggered by Labour MPs who were unhappy with Mr Corbyn's leadership in the run up to the Brexit referendum.  (Photo by Leon Neal/Getty Images)