The contest poses a headache for the new PM Andy Burnham, who helped Labour defeat the Greens in both the Makerfield by-election and the Greater Manchester Mayoral race

The contest poses a headache for the new PM Andy Burnham, who helped Labour defeat the Greens in both the Makerfield by-election and the Greater Manchester Mayoral race

The by-election, which takes place on October 8, comes after Sir Keir Starmer revealed his plans to quit Parliament earlier this month