Polanski vows to stay on as Green leader as criticism mounts
Zack Polanski insists on remaining Green Party leader despite facing internal criticism and defeat in the London by-election to Labour.

Stock photo for illustration only, not from the actual event
- Zack Polanski vows to continue as Green Party leader amidst mounting pressure.
- Polanski lost the London by-election to Labour candidate Sagal Abdi-Wali.
- The Green vote share increased by 22% compared to the 2024 general election.
- Former leader Caroline Lucas criticized Polanski over his absence from the Zionism motion vote.
Zack Polanski has vowed to stay on as Green Party leader after suffering a defeat in the by-election, whilst facing heavy calls from within his own party to resign. The political crisis marks one of the toughest tests of his leadership so far.
The Greens had targeted the seat previously held by former Prime Minister Sir Keir Starmer, but Polanski lost out to Labour candidate Sagal Abdi-Wali. The Labour candidate secured 45% of the vote compared to Polanski's 33%, though the Green vote share still marked a 22% increase from the 2024 general election.
Criticism against Polanski mirrored remarks from former Green Party leader Caroline Lucas, who argued that Polanski should have attended the vote on the conference motion in Brighton on Sunday instead of campaigning. Polanski defended his absence by highlighting his active campaigning in the North London constituency.

Stock photo for illustration only, not from the actual event
"Of course I can carry on as leader of the Green Party."
Zack Polanski
When asked directly if he would step down, Polanski firmly stated, "Of course I can carry on as leader of the Green Party." The party's next scheduled leadership ballot is set to take place in summer 2027, where members will decide whether to re-elect him if he remains in office until then.
This internal friction highlights the delicate balancing act smaller political parties face when navigating complex geopolitical issues while trying to maintain grassroots momentum. Leadership friction over foreign policy motions often exposes ideological divides between party executives and local members, requiring careful stakeholder management.
During interviews, Polanski confirmed that he would only have voted for the "imperfect" motion had it been amended with caveats. While longstanding figures have expressed frustration over his stance on Middle East policies, his popularity among the grassroots and the influx of new members since he took charge may insulate him from any immediate leadership challenge.
Source: BBC Politics
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