Which upstarts parties have won by-elections?
Polls apart When was the last time an upstart party not represented by George Galloway won a UK by-election? – In November 2014 Ukip won by-elections in both Clacton and Rochester and Strood. In each case the winner was the sitting MP: Douglas Carswell and Mark Reckless, who had defected from the Conservatives. – A
