Corbyn says Labour will transform Britain as he launches election campaign

Labour leader says Tories are holding UK back and highlights problems of housing, education and retirement faced by many• General election 2017 - live updatesJeremy Corbyn has accused the Conservatives of holding Britain back as he launched Labour’s general election campaign with a rousing speech to activists in Manchester.With just over four weeks to go until the 8 June vote, the Labour leader unveiled the party’s battle bus on Tuesday, emblazoned with the election slogan &ldqu