Silly season officially started with an exclusive Channel 4 interview with Abby Tomlinson, the 17-year-old girl who started the #Milifandom hashtag. She has endorsed Andy Burnham for leader:

Could this be a crushing blow for Corbyn and Cooper? Well #Milifandom didn’t work out too brilliantly…

UPDATE: Abby has quickly grasped the open-minded pluralist protocols of the left-wing twitterati: