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Polanski vows to carry on as Greens leader after by-election defeat to Labour

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Cite

Corbett, H. (2026, October 9). Polanski vows to carry on as Greens leader after by-election defeat to Labour. Evening Standard. https://www.standard.co.uk/news/politics/keir-starmer-zack-polanski-zionism-holborn-caroline-lucas-b1300108.html

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

Evening Standard · collected 2026-10-09 · by Helen Corbett

Quick Summary

In a north London by-election, Labour candidate Afzal Abdi-Wali won with 45% of the vote, defeating Green Party candidate Sian Polanski who received 33%. Despite losing, Polanski vowed to continue as leader of the Greens, citing support from voters for his policies on rent controls and climate action. The article highlights a significant swing towards the Greens, with their vote share increasing by 22.4%, though they fell short by 3,364 votes.
Written by AI on 2026-10-09, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

The Holborn and St Pancras by-election took place on Thursday to replace former Prime Minister Keir Starmer, who had resigned from his seat in Parliament. The race is between Labour's Dani Arbid-supported candidate Fadila Halima, also known as Ms Abdi-Wali (the exact name varies across sources), and the Green Party leader Zack Polanski. This election is significant for Prime Minister Andy Burnham, who needs to restore faith in Labour among left-wing voters after its decline during the Gaza war.

The North London constituency has been a Labour stronghold since 1983, held by Frank Dobson for 32 years and Keir Starmer for 11. Polanski is hoping to break this streak and secure his seat in Parliament. However, it's noted that Polls indicate the contest between Labour’s Halima and Green Party leader Polanski is close.

Polanski has faced a difficult week after his party passed a controversial motion at its conference asserting “Zionism is racism,” though he abstained from voting on this resolution. He later stated his commitment to inclusivity, rejecting exclusion based on religious or communal affiliation.

The election also marks a critical moment for Polanski's leadership of the Green Party, which has seen significant growth, gaining over 440 councillors and control of five councils in recent local elections.

Polanski appeals to voters by arguing that a Green voice can push Labour on issues such as rent controls and putting Thames Water into public ownership. He also emphasizes the importance of voting against new drilling in the North Sea, an issue that Labour delayed addressing until after the election results.

Overall, while polls suggest a close race, it remains uncertain whether Polanski can upset the long-standing Labour dominance in this constituency.

Written for “Holborn By-election Campaigns” on 2026-10-31, grounded in this article and the 47 other(s) covering the same event.

Story

📰 Holborn By-election Campaigns
Politics · 48 article(s) covering the same event. Compare every outlet's account →

Compared with similar articles

This article reads unscored and hedges 3% of its claims. Each row says how that neighbour differs.
Evening Standard
Hedges 1 of 31 claims Outlet record 65/100
Evening Standard
Hedges 1 of 31 claims Outlet record 65/100
Evening Standard
Hedges 1 of 22 claims Outlet record 65/100
Evening Standard
⚖️ Leans right Hedges 4 of 29 claims Outlet record 65/100
Evening Standard
Hedges 0 of 10 claims Outlet record 65/100
Evening Standard
Hedges 1 of 11 claims Outlet record 65/100
Evening Standard
Hedges 0 of 4 claims Outlet record 65/100
Evening Standard
Hedges 1 of 22 claims Outlet record 65/100
The Guardian
⚖️ Leans left Hedges 1 of 23 claims Outlet record 66/100
“Article A reports on the opening of voting in a byelection, while Article B discusses the results and aftermath of that same election.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
29
sentences that state something as happening or true
Uncertain
3%
1 of 29 hedged ("reportedly", "may", "according to")
Leaning
withheld
no quote in the article backed the model's score
Publisher signals
65/100
Evening Standard's corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
48
Politics
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-10-09 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

Evening Standard · 7906 article(s) · 65 correction(s) detected
Running correction rate · 65 correction(s)

Who wrote this

Helen Corbett
47 article(s) here · 1 carrying a prediction
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2026-10-28 · assertive framing · Budget at a glance: What has John Healey announced?
🔮 This is down from the £22 billion Rachel Reeves set out last year through raising taxes, but he said it would rise to match that figure in 2030-31.
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Also by Helen Corbett
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 47 articles by Helen Corbett →

Topics

Green Greens Labour Thames Water the Green Party

Subjects

Greens ORG · 3× Polanski PERSON · 3× Camden GPE · 2× Labour ORG · 2× Andy Burnham PERSON · 1× Caroline Lucas PERSON · 1× Green NORP · 1× Green Party ORG · 1× Thames Water ORG · 1× the Green Party ORG · 1×

Narrative

She pointed to Mr Polanski’s failure to take part in the controversial anti-Zionism motion on Sunday, saying he “should have been there and he should have voted”. Mr Polanski did not directly answer when asked if he believed that Zionism is racism after the by-election result, but said: “The displacement of the Palestinian people, the genocide is clearly racist.” Read More He denied he had lost control of his party. “I don’t think that’s true at all.
framing: assertive · carried by 1 article(s) · first seen 2026-10-09
🔮 A former Green leader earlier suggested Mr Polanski could face a threat to his leadership if he lost.
2026-10-09 · Evening Standard
Polanski vows to carry on as Greens leader after by-election defeat to Labour · assertive framing

Claims (29 extracted, 1 hedged)

She secured 45% of the vote to the Greens’ 33%, a majority of 3,364 but seeing a 13% swing to the Greens, whose vote share was up by 22.4%. asserted
share → secure → %
“Of course I can carry on as leader of the Green Party,” he said when asked about a potential threat to his leadership after the loss. asserted
he → carry → loss
“Of course, I wanted to win. asserted
I → want → ?
No-one runs an election to lose,” he said, but added that people on the doorstep had been excited about his plans for rent controls, tackling the climate crisis and nationalising Thames Water. asserted
people → run → Water
“Of course, we didn’t get over the line, but the point here is that ultimately, I want to make sure those were the options that people have. asserted
people → get → that
“So many people told me on the doorstep, so they want to give Andy Burnham a chance. asserted
they → tell → chance
Well, he’s got a chance now. asserted
he → get → chance
Let’s see what he does with it.” asserted
he → see → it
A former Green leader earlier suggested Mr Polanski could face a threat to his leadership if he lost. uncertain
he → suggest → leadership
Caroline Lucas, the three-time former Green Party leader who was its first MP, said people should “see what happens in the coming days and weeks” when asked about his future the previous evening on BBC Newsnight. asserted
what → say → Newsnight
She pointed to Mr Polanski’s failure to take part in the controversial anti-Zionism motion on Sunday, saying he “should have been there and he should have voted”. Mr Polanski did not directly answer when asked if he believed that Zionism is racism after the by-election result, but said: “The displacement of the Palestinian people, the genocide is clearly racist.” Read More He denied he had lost control of his party. “I don’t think that’s true at all. asserted
that → point → party
I’ve got a party that was 55,000, 60,000 members when I was running for leader, it’s now 220,000. asserted
it → get → leader
We’re a democratic grassroots party.” asserted
We → ’re → ?
The adoption of the motion at the party’s conference makes it policy, despite the opposition of Ms Lucas and four of the party’s five MPs, but it does not mean it will necessarily appear in the future manifesto. asserted
it → make → manifesto
The north London constituency has been a Labour stronghold since its formation in 1983, held by Frank Dobson for 32 years and Sir Keir for 11. Conservative candidate Ewan Cameron came in third in the by-election, followed by Reform and the Lib Dems. asserted
Cameron → hold → Reform
The Greens conceded ahead of the official declaration but said the “huge swing” was an “incredible result”. asserted
swing → concede → declaration
A party spokesperson said: “We are disappointed to miss out tonight but any ideas of a return to the cosy two-party system is just wishful thinking on the part of the establishment. asserted
ideas → say → establishment
We are here to stay and just getting started. asserted
We → stay → ?
“The voters have delivered a message to the Labour Government today. asserted
voters → deliver → Government
They want real change; they want rent controls, they want to see an end to the privatised water rip-off; and they want to see justice for Palestinians. asserted
they → want → Palestinians
“On the climate crisis, Labour will not have an easy political ride if they bring in new North Sea drilling.” asserted
they → have → drilling
Ms Abdi-Wali said her victory was a testament to the success of diversity in the borough. asserted
victory → say → borough
“I hope this moment also says something about who gets to belong, for people who look like me, I hope they see themselves reflected in this place and know that their path too belongs here. asserted
path → hope → place
She added: “I’ve watched people across Camden work to build communities where difference is not something to fear, but something to value. asserted
difference → add → communities
We cannot allow that work, built over generations, to be casually undone by those who seek to divide us. asserted
who → allow → us
“We have a responsibility to defend what we’ve built, and pass it on. asserted
we → have → it
“People need to believe that politics can make their lives better and that their communities can thrive and that tomorrow can be better than today.” asserted
tomorrow → need → today
She added: “That is what this victory represents. asserted
victory → add → what
Winning not by making people afraid of each other, but by bringing people together.” asserted
people → win → people
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