Estonia triggers NATO Article 4 as EU weighs drone wall for eastern airspace (visegradinsight.eu)

• Estonia invoked NATO Article 4 after Russian attacks on Estonia and Poland; UN Security Council convened Sept 22, 2025.
• UN General Assembly session runs 23–29 September 2025; Polish President Nawrocki and Deputy PM Sikorski plan joint diplomatic moves.
• EU Defence Commissioner Kubilius proposes 'drone wall' for NATO's eastern airspace; regional defence ministers to meet.
• European Parliament to discuss EU Civil Society Strategy and European Democracy Shield with Commissioner McGrath.
• EU preparing 19th Russia sanctions package, including measures against third parties.

"Russian attacks on Estonia and Poland prompted Estonia to trigger NATO Article 4, bringing the UN Security Council to convene on September 22, 2025, ahead of the UN General Assembly session (23–29 September). EU Defence Commissioner Andrius Kubilius is advancing a 'drone wall' concept to reinforce NATO's eastern airspace, with regional defence ministers' talks planned. Poland's President Nawrocki and Deputy PM Sikorski are to conduct a joint diplomatic push. EU committees will discuss the Civil Society Strategy and the European Democracy Shield with Commissioner McGrath, while the EU prepares its 19th sanctions package against Russia, including curbs on third parties."