BrightonGreens voted 1,022 to 813 to treat Zionism as racism.
The UK party also backs one Palestinian state, and leader Zack Polanski skipped the vote.
Any member can table a motion, and Greens for Palestine recruited supporters to join and pass it as membership tripled.
The Movement for Progressive Judaism, which represents over 80 synagogues, calls it antisemitic.
Polanski, whose amendments failed, faces Thursday’s Holborn and St Pancras by-election.
How each outlet framed it
drawn from 50+ reports worldwide · These outlets told this story differently.
- Financial Times News leans critical
- emphasizes Polanski's vote absence during leadership race for Starmer's seat, highlights 1,022-813 split and three MPs' opposition
- Middle East Eye
- frames motion as unprecedented UK major-party declaration, quotes deputy Ali defining Zionism as ethno-nationalist state
- Dawn
- reports party clarification asserting no conflict between Palestinian and Jewish rights, contradicting genocide language from vote motion
- South China Morning Post leans critical
- notes Polanski's popularity decline following recent missteps and Jewish groups' letter calling motion 'overtly antisemitic platform'
- TRT World
- frames surge in Green support as reaction to Labour's Gaza stance, notes Polanski currently running in Starmer's constituency
Sources: Financial Times News, Middle East Eye, Dawn, South China Morning Post, TRT World