MANCHESTER, ENGLAND - APRIL 21: Supporters gather before the arrival of Liberal Democrat party leader, Tim Farron, as he launches the party's general election campaign on April 21, 2017 in Manchester, England. Lib Dem leader Tim Farron chose Cringle Park, on the boundary of Gorton and Withington in Manchester, which will be key target seats for the Libdems in the 2017 general election. (Photo by Christopher Furlong/Getty Images)