What could trigger Nato Article 5 after Poland shoots down Russian drones?

Poland’s Prime Minister Donald Tusk has called for invoking NATO’s Article 4 after the military shot down several Russian drones violating its airspace, describing the incident as a significant provocation. Article 4 activation could lead to discussions among NATO members on collective defense, while Article 5 requires member states to consider an armed attack against one as an attack against all.

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