Labour hailed a “truly historic” result in Rishi Sunak’s own backyard of York and North Yorkshire, where David Skaith defeated Tory Keane Duncan by almost 15,000 votes.

The region, which was electing a mayor for the first time, covers Mr Sunak’s Richmond constituency and Labour has historically struggled to compete there in parliamentary elections.

The Northern Echo: Labour Party leader Sir Keir Starmer and shadow chancellor Rachel Reeves, celebrate with David Skaith at Northallerton Town Football ClubLabour Party leader Sir Keir Starmer and shadow chancellor Rachel Reeves, celebrate with David Skaith at Northallerton Town Football Club (Image: PA)

Speaking at Northallerton Town Football Club, Sir Keir Starmer said the result was a “historic victory” for Labour in “the heart of Tory territory”.

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He said: “We’ve had a positive campaign here and I am very, very proud to stand here as leader of the Labour Party to celebrate this historic victory.

“And it is a historic victory – these are places where we would not have usually had a Labour Party success but we’ve been able to create that success and persuade people to vote for us.”

Labour also avoided potential embarrassment in the North East mayoral contest, where its candidate Kim McGuinness overcame independent Jamie Driscoll, who had quit Labour after being barred from running as the party’s candidate himself.