Reuters reports that Russia has sent NATO a document threatening the use of nuclear weapons if the alliance tries to isolate Kaliningrad. Russia has accused the alliance of a "dangerous and reckless move" that carries "high risks of direct armed conflict." Russia has also threatened attacks on "decision-making centers" in NATO countries. The alliance responded in writing that its activity is essentially defensive and does not pose a threat to Russia.

Reuters reports that Russia has sent NATO a document threatening the use of nuclear weapons if the alliance tries to isolate Kaliningrad. Russia has accused the alliance of a "dangerous and reckless move" that carries "high risks of direct armed conflict." Russia has also threatened attacks on "decision-making centers" in NATO countries. The alliance responded in writing that its activity is essentially defensive and does not pose a threat to Russia.