MOSCOW, December 29. /TASS/. An unidentified flying object entered Polish airspace from the direction of Ukraine this morning, but its signal later disappeared, the Polish armed forces’ operational command said.

"An unidentified aerial object entered Polish airspace from the side of the border with Ukraine in the morning. It was tracked by radars of the country's air defense system from the moment it crossed the border until its signal disappeared," the command stated on X (formerly Twitter).

No other details have been provided yet.