Poland to invoke article 4 of the NATO treaty, calling for consultation within the alliance over security.

Warplanes scrambled after warning from Ukraine; Poland to seal border over Russian and Belarus’s ‘very aggressive’ Zapad war games. What we know on day 1,295

Poland places its forces on full alert and closes several airports as drones violate airspace.

Polish, Dutch and Italian fighter jets scrambled to intercept wave of Russian drones over Poland