Poland's armed forces have scrambled fighter jets and placed air defences on "maximum readiness" as fears grow that Russia is preparing for war against NATO.

A full-scale invasion of Poland, in the manner Russia invaded Ukraine, is rather not viable, given Russia's current military capacities, Poland's military build-up and the collective defense guarantees of NATO membership, Michnik said, "however, this reality must not diminish Poland’s ongoing preparation."

Military capability of Western alliance remains 'formidable' despite questions around US commitment to untested 'mutual assistance' agreement

Russian forces staged a "massive" drone attack yesterday on Kharkiv, Ukraine's second-largest city, killing four people and injuring several others, officials said.

Some of America's closest European allies say they're already in a gray zone between peace and war with Russia.

Former NATO Secretary General Jens Stoltenberg says the way to change Russian President Vladimir Putin mind and bring him to the negotiating table to end the war in Ukraine is to step up military aid to Kyiv.

Turkish President Tayyip Erdogan said he would have a phone call with his Russian counterpart Vladimir Putin on Monday to discuss peace efforts in Ukraine, adding that he would also ask him to restart a deal for the safe passage of grains via the Black Sea.