The statement comes after Estonia requested formal consultations under Article 4 of NATO's treaty after three Russian fighter jets entered its airspace.View on euronews

NATO emphasized its commitment to Article 5, stating that an attack on one ally is considered an attack on all.

Polish fighter jets, with help from NATO allies, shot down multiple Russian drones that entered its eastern border early on Sept. 10. It was the first time the NATO member directly engaged with Russian military assets in its airspace since Moscow's invasion of Ukraine in 2022.

Poland has triggered Article 4 of the North Atlantic Treaty Organization, NATO, after the country reported 19 “breaches” of its airspace by Russian drones on Wednesday.

Border crossings between Poland and Belarus will be reopened on midnight from Wednesday to Thursday, Polish Prime Minister Donald Tusk said on Tuesday.

Multiple Russian drones crossed into Poland in what European officials described as a deliberate provocation, causing NATO to send fighter jets to shoot them down.

Article 4 allows member states to start a formal discussion within the alliance about threats to their security. It does not commit the alliance to military action.

Russia and NATO are currently in the most open confrontation since the collapse of the Soviet Union ended the Cold War — but only one side seems to be acknowledging it. The incursion of 21 Russian drones into Polish airspace on Sept.

NATO is preparing a defensive military response to the drone incursion in Poland to strengthen deterrence across the alliance’s eastern flank, according to a person familiar with the matter.

U.S. allies called an emergency meeting of the U.N. Security Council after a series of incidents raised alarm about growing Russian threats to Europe.