For the primary time since Russia’s full-scale invasion of Ukraine, a NATO member has formally invoked Article 4 of the alliance’s founding treaty after a serious airspace breach. Estonian Overseas Minister Margus Tsahkna tells Discuss to Al Jazeera why repeated Russian provocations are greater than remoted incidents – they’re a take a look at of NATO’s credibility. As United States President Donald Trump questions the worth of collective defence, Tsahkna warns that Europe’s safety consensus is fraying and hesitation might invite hazard.
Revealed On 26 Oct 2025
