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

Read the original at Evening Standard ↗
Evening Standard · collected 2026-10-09 · by Helen Corbett

Quick Summary

In a north London by-election, Labour candidate Alisha Abdi won with 45% of the vote, followed closely by Green Party leader Sian Polanski at 33%. Despite losing, Polanski vowed to continue leading the Greens, emphasizing his party's increased support and promising to hold Labour accountable on issues like rent control and climate change. The article highlights a significant swing towards the Greens, with their vote share rising by 22.4%, while noting internal divisions within the Green Party over an anti-Zionism motion passed at their conference.
Written locally by qwen2.5:14b on 2026-10-09, using this article's own text rather than the other coverage of the same event (that is the story summary below).

AI analysis runs on qwen2.5:14b, locally

Story summary

The Holborn and St Pancras by-election in London was held on October 5 to replace former Prime Minister Keir Starmer, who resigned from his seat. The race is seen as a critical test for Labour Party leader Andy Burnham's ability to regain voter support after recent losses, especially among left-wing voters due to the war in Gaza. The main contenders are Labour candidate Daniella Abdi-Wali and Green Party leader Zack Polanski, with Polanski hoping to break Labour’s long-standing hold on the seat, which has been a Labour stronghold since 1983.

Leading up to the election, both candidates engaged in intense campaigning. Prime Minister Burnham issued an appeal for voters to support Abdi-Wali, stating that "today, hope can win. But only if you vote for it." Meanwhile, Polanski claimed the contest was "close" and urged voters to elect a Green representative to push Labour on issues like rent controls and public ownership of Thames Water.

Polanski's campaign faced significant challenges after his party passed a controversial motion at its conference in Brighton declaring that "Zionism is racism," which he abstained from voting on. This move has drawn criticism and raised concerns about inclusivity within the Green Party, although Polanski later clarified that he does not support excluding anyone based on religious or communal affiliations.

The by-election results could have far-reaching implications for both Labour and the Green Party, potentially defining Polanski’s leadership of the Greens following their surge in membership and record-breaking local election results earlier in 2026. Despite these challenges, Polanski remains optimistic about his prospects, emphasizing the need for a Green voice to address critical issues such as climate change and housing affordability.

Written for “Holborn And St Pancras By-election” on 2026-10-09, grounded in this article and the 32 other(s) covering the same event.
Why this leaning score
The model judged this article politically coded and scored it -0.65, but all 4 of its quote(s) are attributed speech - words the article quotes from someone, not the article's own narration, so the score is not published.
Written under an earlier scoring contract, which gave a paragraph rather than checkable quotes. Re-analysing this article replaces it.
Leaning score withheld for article 67557: attributed speech only · logged 2026-10-09

Signals How these are calculated →

Claims extracted
31
claim-shaped sentences
Uncertain
3%
1 of 31 hedged
Leaning
withheld
no quote in the article backed the model's score
Correction & hedging signals
66.1
corrections and hedging in what we collected; not a measure of accuracy
Outlets on this story
33
Politics
Narrative spread
2
articles carrying this framing
Analyzed 2026-10-09 · how these are computed

Story

📰 Holborn And St Pancras By-election
Politics · 33 article(s) covering the same event. See how they differ ↓

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Compared with similar articles

This article reads unscored and hedges 3% of its claims. Each row says how that neighbour differs.
Evening Standard · 1.00 cosine similarity
⚖️ leaning not scored 🔴 3% hedged 1 of 31 📰 publisher trust 66
“Both articles describe the exact same by-election defeat of Polanski from Greens to Labour and his subsequent vow to continue as leader, with identical quotes and details.”
Evening Standard · 1.00 cosine similarity
⚖️ leaning not scored 🔴 3% hedged 1 of 29 📰 publisher trust 66
“Both articles report on the same by-election defeat and Polanski's vow to continue as Greens leader.”
Evening Standard
⚖️ leaning not scored 🔴 5% hedged 1 of 22 📰 publisher trust 66
“Both articles discuss the by-election in Holborn and St Pancras where Polanski from the Green Party lost to Labour, indicating they are reporting on the same specific election incident.”
Evening Standard
⚖️ Leans right 🔴 14% hedged 4 of 29 📰 publisher trust 66
“Both articles describe the same by-election result in Holborn and St Pancras on October 9, 2026, where Sagal Abdi-Wali won against Zack Polanski.”
Evening Standard
⚖️ leaning not scored 🔴 9% hedged 1 of 11 📰 publisher trust 66
“Both articles discuss the same Holborn by-election result and reactions from the Green Party.”
Evening Standard
⚖️ leaning not scored 🔴 0% hedged 0 of 4 📰 publisher trust 66
“Both articles describe the same by-election result in Holborn and St Pancras on October 9, 2026, with Sagal Abdi-Wali winning for Labour against Zack Polanski of the Green Party.”
Evening Standard
⚖️ leaning not scored 🔴 0% hedged 0 of 43 📰 publisher trust 66
“Both articles describe the same election result for the by-election in Holborn where Labour retained the seat with Sadiya Abdi-Wali winning, and Zack Polanski of the Greens coming second.”
Evening Standard
⚖️ leaning not scored 🔴 5% hedged 1 of 22 📰 publisher trust 66
“Both articles describe the same Holborn and St Pancras by-election on October 7, 2026, with Polanski's leadership under scrutiny following a defeat to Labour.”
Daily Mail
⚖️ leaning not scored 🔴 20% hedged 6 of 30 📰 publisher trust 64
“Both articles describe Zack Polanski's performance and aftermath in the Holborn & St Pancras by-election, with Article A covering his campaigning and confidence before the vote, and Article B reporting on the results and his reaction to losing.”
Evening Standard
⚖️ leaning not scored 🔴 0% hedged 0 of 10 📰 publisher trust 66
“Both articles describe the same Holborn and St Pancras by-election result on the same date.”

Publisher

Evening Standard · 4241 article(s) · 35 correction(s) detected
Running correction rate · 35 correction(s)
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Who wrote this

Helen Corbett
24 article(s) here · 1 carrying a prediction
🔮 A former Green leader earlier suggested Mr Polanski could face a threat to his leadership if he lost.
🔮 A former Green leader earlier suggested Mr Polanski could face a threat to his leadership if he lost.
🔮 A former Green leader earlier suggested Mr Polanski could face a threat to his leadership if he lost.
🔮 Mr Polanski said he would “of course” continue as Green leader, following defeat and controversy over the party’s stance on Israel.
🔮 A Green Party spokesperson said: “It is clear now we will come a close second in this by-election.
🔮 It declares the Greens to be an “anti-Zionist party” and sets into its policy that Zionism, the movement to develop and protect a Jewish state in Israel, will be “treated as any other form of racism”.
🔮 It declares the Greens to be an “anti-Zionist party” and sets into its policy that Zionism, the movement to develop and protect a Jewish state in Israel, will be “treated as any other form of racism”.
🔮 But Mr Burnham was unwilling to confirm he was in favour of the project going ahead in an interview marking the start of Labour Party conference in Liverpool.
🔮 But Mr Burnham was unwilling to confirm he was in favour of the project going ahead in an interview marking the start of Labour Party conference in Liverpool.
🔮 The latter proposal is different from Reform UK’s plan to do the same thing, he said, as theirs would be paid for through “cruelty”.
Also by Helen Corbett
Nothing else under this byline is closely related to this article, so these are simply their most recent.
All 24 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

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.
framing: assertive · carried by 2 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
2026-10-09 · Evening Standard
Polanski vows to carry on as Greens leader after by-election defeat to Labour · assertive framing

Claims (31 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
Read More 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”. asserted
he → read → Sunday
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.” asserted
displacement → answer → people
He denied he had lost control of his party. “I don’t think that’s true at all. asserted
that → deny → 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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