Green Party leader Zack Polanski to stand in by-election for Starmer’s seat

Green Party leader Zack Polanski has announced his candidacy for the Holborn and St Pancras parliamentary seat, recently vacated by former UK Prime Minister Keir Starmer. Polanski aims to challenge the traditional Labour stronghold by focusing on community-centric policies.
Why it matters
This by-election serves as a test for the Green Party's growing influence in UK politics following the shift in leadership and the resignation of a high-profile former Prime Minister.
Zack Polanski announces candidacy for the Holborn and St Pancras seat to be vacated by British ex-PM Keir Starmer.
x whatsapp-stroke copylink google Add Al Jazeera on Google info Green Party leader Zack Polanski speaking during a press conference at Church House in central London. [File: Jonathan Brady/PA Images via Getty Images] By Al Jazeera Staff and Reuters Published On 3 Sep 2026 3 Sep 2026 The leader of the United Kingdom’s Green Party intends to stand in an election for a seat in parliament vacated by former Labour Prime Minister Keir Starmer, local media reported.
Zack Polanski told the Camden New Journal he would be the Green candidate for Holborn and St Pancras, a left-leaning constituency which Starmer held comfortably in 2024 though with a much-reduced vote share.
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