"We understand that Article 5, when you're a member of NATO, cannot apply to the entire territory of Ukraine during wartime, as countries are against the risks of being drawn into the war," Zelensky said during a news conference alongside Antonio Costa, the new President of the European Council, referring to occupied territory.

Ukrainian President Volodymyr Zelenskyy, during the briefing after a meeting with the new EU institutional leadership, indicated that if Ukraine joins NATO, Article 5 collective security guarantees might not apply to all Ukrainian territory.

President Volodymyr Zelenskyy has said that if Ukraine joined NATO during the war, Article 5 of the North Atlantic Treaty, which provides for collective protection, may not apply to its entire territory.

Germany's foreign intelligence chief warns that Russia's sabotage actions may lead NATO to invoke Article 5, mandating mutual defense. Moscow's hybrid warfare tactics and growing military potential pose increasing threats.

Ukrainian President Zelensky says an offer of NATO membership to territory under Kyiv's control would end "the hot stage of the war" with Russia.

President Volodymyr Zelensky has suggested that the parts of Ukraine under his control should be taken "under the Nato umbrella" to try and stop the "hot phase" of the war. He was asked by Sky News whether he would accept Nato membership,