BRUSSELS (Reuters) -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,

NATO Secretary General Mark Rutte issued a powerful warning during his Ukraine visit, assuring President Volodymyr Zelensky of “full force” support against Russia. Rutte declared that Moscow would “never again seize even one square kilometre of Ukraine,

NATO's top military officials emerged from talks without a concrete plan to guarantee Ukraine's security – at least not one they were willing to discuss publicly.