Sir Keir Starmer has vowed to "keep on fighting" despite Labour's humiliating defeat in the Gorton and Denton by-election.The Prime Minister faces intense pressure to shift his party to the left or resign after Labour came third behind Zack Polanski's Greens and Nigel Farage's Reform UK in the previously rock-solid Greater Manchester constituency.But speaking to reporters, he acknowledged it was a "disappointing" result and that voters were "frustrated", but insisted he would carry on.

Sir Keir Starmer has vowed to "keep on fighting" despite Labour's humiliating defeat in the Gorton and Denton by-election.The Prime Minister faces intense pressure to shift his party to the left or resign after Labour came third behind Zack Polanski's Greens and Nigel Farage's Reform UK in the previously rock-solid Greater Manchester constituency.But speaking to reporters, he acknowledged it was a "disappointing" result and that voters were "frustrated", but insisted he would carry on.