Poland's Army Operational Command reported that the brief incursion occurred at 11:08 local time (09:08 GMT) and was tracked by radar. The Polish military said its air defence units were operating around the clock to "ensure the safety of Polish airspace."
Moscow did not immediately comment on the incident. The Kremlin has previously denied planning to attack any NATO state, with President Vladimir Putin repeatedly stating that Russia has no such intention. However, Russian Foreign Minister Sergei Lavrov warned this month that if Europe were to attack Russia, it would involve "a completely different war" from the conflict in Ukraine and would be "very short."
The violation comes amid heightened tensions between Russia and NATO members on its eastern flank. Poland and other European NATO countries have recently expressed concern that Russia may be preparing provocative acts to test their commitment to supporting Ukraine. Russia denies such preparations.
Putin launched a full-scale invasion of Ukraine in 2022, and Moscow currently controls approximately 20% of Ukrainian territory, including the Crimean peninsula annexed in 2014.