The alert came after multiple Russian drones crossed into Poland on Wednesday. Photo: EPA PHOTO

Polish and allied aircraft were deployed in a preventive operation in Poland's airspace because of a threat of drone strikes in neighbouring Ukraine, and the airport in the eastern Polish city of Lublin was temporarily closed, authorities say.

Subscribe now for unlimited access .

Login or signup to continue reading All articles from our website The digital version of Today's Paper All other regional websites in your area Continue

The alert came after multiple Russian drones crossed into Poland on Wednesday, prompting NATO to send fighter jets to shoot them down.

The incident has underlined long-held concerns about the expansion of Russia's more than three-year war in Ukrain

See Full Page