JEREMY CORBYN will vow today to address a future Durham Miners’ Gala as Prime Minister, in a clear sign of confidence that he can defeat any challenge to his leadership — and the Tories.

James Callaghan was the last Labour prime minister to make the pilgrimage to Durham in 1978, as Tony Blair and Gordon Brown snubbed the Gala throughout their 13 years in Downing Street.

But Mr Corbyn will say: “Thank you for inviting me to this wonderful festival of solidarity.