BRUSSELS — NATO allies on Tuesday held formal consultations at Estonia's request after the Baltic country said that three Russian fighter jets entered its airspace last week without authorization.

Polish Prime Minister Donald Tusk said his country would formally request the invocation of NATO's Article 4 in response to the violation of his country's airspace by 19 Russian drones, some of which ...

Do you know the difference between NATO Article 4 and 5? AP explains how Article 4 doesn't automatically mean a collective military response to an attack. Estonia says it will request Article 4 talks ...

Pilots of a RAF air-refueling tanker take part in NATO’s Eastern Sentry deployment over Poland, Sept. 19, 2025 (Press Association photo via AP Images). Click to share on Twitter (Opens in new window) ...

Poland's Prime Minister Donald Tusk has announced that his government will formally invoke NATO's Article 4, after 19 Russian drones crossed into Polish airspace during a massive aerial bombardment of ...

In an act of bravery that has seen NATO nearly endure its most severe confrontation with Russia since it was founded, Estonia has invoked Article 4 consultations has seen three Russian MiG-31 fighter ...

Denmark is considering triggering NATO Article 4 after the country was forced to close Aalborg Airport after drones were spotted for a second time this week. Denmark reached out to NATO and the ...

BRUSSELS (AP) — NATO allies on Tuesday held formal consultations at Estonia’s request after the Baltic country said that three Russian fighter jets entered its airspace last week without authorization ...

Article 4, the shortest of the NATO treaty’s 14 articles, states that: “The Parties will consult together whenever, in the opinion of any of them, the territorial integrity, political independence or ...