Russia has scaled down the festivities honoring its navy citing security concerns as continuing Ukrainian drone attacks posed a challenge the Kremlin.

NATO aircraft were scrambled Sunday night to respond to a Russian attack on Ukraine, the Polish military said Monday.

Russian forces launched 324 Shahed-type attack drones and other drones, four Kh-101 cruise missiles, and three Kinzhal aeroballistic missiles against Ukraine overnight, the Air Force reported.