LONDON, ENGLAND - JUNE 27: (EDITORS NOTE: Image contains profanity.) A supporter of Labour leader Jeremy Corbyn holds up a sign during Momentum's 'Keep Corbyn' rally outside the Houses of Parliament on June 27, 2016 in London, England. The Labour Leader has seen mass resignations from the Shadow Cabinet in the wake of the UK Vote for Brexit. His support group, Momentum, have recorded more than 1000 new members in the same period. (Photo by Jeff J Mitchell/Getty Images)
