LONDON, ENGLAND - AUGUST 03:  Former London mayor and Labour politician, Ken Livingstone, arrives to attend a Labour party leadership rally in which Jeremy Corbyn will make a speech on August 3, 2015 in London, England. Candidates are continuing to campaign for Labour party leadership with polls currently putting Jeremy Corbyn in the lead. Voting is due to begin on the 14th of August with the result being announced on the 12th of September. (Photo by Carl Court/Getty Images)