Security guarantees have been one of Ukraine's main conditions in a peace deal. The country's officials have repeatedly said NATO membership for Ukraine is the best security guarantee Kyiv could have.

NATO allies and Ukraine are working together to make sure security guarantees for Ukraine are at such a robust level that Russia will never try to attack again, NATO chief Mark Rutte said on Friday, adding that Europe and the United States would be involved in providing them.

NATO defense chiefs have discussed potential security guarantees for Ukraine to help end Russia’s three-year war