Politics

Mr Corbyn told an audience in Northampton: “Labour trusts the people to decide.”

"He was the guy who sorted out the Olympics, sorted out the Oyster cards, sorted out the congestion charge," Stewart said.

So far this year, just one poll has put Leave ahead, compared to 74 for staying in the EU.

The Labour leader spelled out his 10-year plan, hailing wind power as ‘the future’.

“I regard it as a tremendous compliment to be called an unco-operative crusty", the Prime Minister's father said.

If the Prime Minister is able to get an agreement, it will be an opportunity for MPs – who will have to give their approval – to debate it. Otherwise, Mr Johnson is expected to set out how he plans to take Britain out of the EU at the end of the month regardless.

Mr Blair said that both sides of the Brexit debate should avoid “mixing up” a general election with a vote on the EU, and call for another referendum instead.

The campaign group had posted a picture of the German Chancellor with the words: “We didn’t win two world wars to be pushed around by a Kraut.”

A series of "electoral shocks" has left the British electorate more volatile than ever.