Gordon Brown said Jeremy Corbyn’s success came because New Labour “did not finish the job” of addressing inequality and banking failures

Gordon Brown is offering to help advise a Jeremy Corbyn-led Labour government, John McDonnell has said.

Mr McDonnell, the shadow chancellor, previously stood against Mr Brown to try to prevent his coronation as Labour leader in 2007 but now says he is seeking his advice as he steps up Labour’s preparation for government.

In an interview with The Times Mr McDonnell said that “Gordon Brown and others have always said whatever assistance we need is open to us”. It is understood he is hoping to meet Labour’s most recent prime minister as soon as possible. He also said that he was looking at “how can we make sure that we’re tackling the problems of child poverty, which Gordon Brown went so far on, but we