Overnight, the Operational Command of the Polish Armed Forces said the drones were tracked by radar by both Polish and Nato aircraft stationed in the country.
The military said: “As a result of the attack by the Russian Federation on Ukrainian territory, there was an unprecedented violation of Polish airspace by drone-type objects.
“Searches and efforts to locate the potential crash sites of these objects are ongoing.”
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Ukrainian official Mykhailo Podolyak shared a map from a Telegram channel – run by volunteers that tracks aerial attacks – which he says shows Russian drones over Ukraine – some can be seen entering Poland
Although Poland’s military operation has ended, it urged people to stay at home, naming Podlaskie, Mazowieckie, and Lublin regions as most at risk.
“With the safety of citizens in mind, we urge that in the event of observing an unknown object or its debris, do not approach, touch, or move it,” the military wrote on X.
“Such elements may pose a threat and contain hazardous materials. They must be thoroughly inspected by the appropriate services.”
The Polish military also thanked Nato’s Air Command and the Netherlands for deploying F35 fighter jets.
Several flights which had been due to land at Chopin airport were diverted to Gdansk, Katowice, Wroclaw, Poznan and Copenhagen.
After airspace over the capital was reopened, Chopin airport said disruptions and delays may last throughout the day and warned passengers to expect delays.
The Russian drones that entered Poland were part of the latest major aerial attack on Ukraine.
In total, Ukraine’s air force reported that more than 400 drones and 42 cruise missiles were launched just before midnight, and the bombardment lasted throughout the night.
President Volodymyr Zelensky warned the latest attack was “an extremely dangerous precedent for Europe”.
Writing on Telegram, Ukraine’s Foreign Minister Andrii Sybiha said Putin is “testing the West”.
“The longer he faces no strength in response, the more aggressive he gets.
“A weak response now will provoke Russia even more — and then Russian missiles and drones will fly even further into Europe.”