Watch: Paul Mason turns on the Blairites at Progress event – ‘form your own party and get on with it!’

Well, that didn’t last long. The uneasy peace between the Blairites and the Corbynites since the snap election has come to an abrupt end. At today’s Progress conference, Paul Mason sat on a panel chaired by Progress’s Richard Angell, alongside fellow Corbynite Emily Thornberry and centrist MPs Wes Streeting and Liz Kendall. The guests attempted to discuss – in a comradely manner – how best to build on Labour’s snap election result and win the next election.

However, things soon struck a sour note when an audience member challenged Mason over a tweet he had sent claiming Labour could have won if it wasn’t for the moderates running a defensive campaign. It’s fair to say that his comments went down like a lead balloon with guests at the Blairite think tank event:

‘The question for people in this room is: it is now a left-wing Labour party. It is a Labour party led by a man vilified in the Daily Mail and the Sun as a terrorist sympathiser and we got 13million votes.