Writing the summary…
Martin Rowson on Zack Polanski losing the Holborn and St Pancras byelection – cartoon

Original reporting
The Guardian: read the full reportFollow this story
Earlier reports and follow-ups on the same developing story.
- Voting opens in high-stakes Holborn and St Pancras byelection
- Holborn and St Pancras by-election gets under way
- UK politics: Polls open in Holborn and St Pancras byelection – as it happened
- Labour fends off Green party to win Holborn and St Pancras byelection
- Did the Zionism row lose it for Zack Polanski? – podcast
- Does Polanski have to go? Greens at the crossroads after Holborn and St Pancras
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Andy Burnham is lucky – Polanski, Farage and Badenoch all seem determined to help him | Jonathan Freedland
Everywhere the PM turns, he finds generous adversaries. They have made his early days in No 10 so much easier I don’t know where Andy Burnham found his magic lamp, but I hope he’s taking good care of it. In the early hours of Friday morning, the genie that’s looked so kindly on him these past few months granted him yet another wish, with a byelection win in Holborn and St Pancras. It was just the latest gift for a prime minister for whom things keep going right – and who is especially blessed in his choice of opponents. Let’s start with that win in London, where Labour’s Sagal Abdi-Wali defeated the Green party leader, Zack Polanski. It’s easy to miss how rare such a victory is. As the veteran psephologist Peter Kellner pointed out, this was a win that “ defied history ”. If the past half-century were any guide, Labour should have lost, thanks to a “truly dreadful record” defending its o

The Guardian view on Labour and the Greens: winning trust takes more than words | Editorial
A byelection win is a fillip for Andy Burnham and shows Zack Polanski must confront the failures damaging his party’s credibility and appeal By holding Holborn and St Pancras, Andy Burnham’s Labour has shown it can attract liberal and left-leaning voters. The seat has substantial numbers of young adults, students, professionals and Muslims – offering fertile ground for the Greens’ ecopopulism. However, Labour prevailed. Having won leave-voting Makerfield in June, Mr Burnham can now claim an appeal that bridges Labour’s divided electorate. It’s worth noting that turnout in London was low and Labour’s vote share fell 3.7 points. But that compares with an average 19.3-point fall in four byelections under Mr Burnham’s predecessor. The new leader clearly has bought Labour breathing space and checked the Green advance. The Greens more than tripled their vote share in the constituency to 33%. B