The Green Party passing a motion declaring "Zionism is racism" was "completely wrong", Andy Burnham has said. It comes as polls have just closed in the Holborn and St Pancras by-election, which was called after former prime minister Sir Keir Starmer quit as an MP, after leaving Downing Street. Speaking to journalists on a trip to Berlin, the prime minister said it showed "terrible judgement on behalf of the Green Party" and "shouldn't be supported in any way, shape or form". Follow latest politics news: https://trib.al/YWdOwTS SUBSCRIBE to our YouTube channel for more videos: http://www.youtube.com/skynews Follow us on X: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews Follow us on TikTok: https://www.tiktok.com/@skynews For more content go to http://news.sky.com and download our apps: Apple https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Why not listen to one of our podcasts? This is Why, available for free here: https://podfollow.com/thisiswhy or Ed Conway's Stuff Matters, available here: https://podfollow.com/stuff-matters To enquire about licensing Sky News content, you can find more information here: https://news.sky.com/info/library-sales