The Hungarian government has asked the EU to refrain from any new initiatives that could undermine the Trump-led negotiations.
Archived version: https://archive.is/newest/https://www.euronews.com/my-europe/2025/02/21/as-eu-countries-try-to-close-ranks-on-trump-hungary-emerges-as-main-roadblock
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There is no way to expel EU member. They can only leave themselves.
It’s possible to suspent the voting rights of the country wih unanimous with, but it will get blocked by another wannbe authoratiratian country like Italy or someone else who wants to use it to get in their own agenda (like Poland).