A massive Russian drone and missile attack against Ukraine lasting 12 hours into Sunday killed at least four people in Kyiv, including a 12-year-old girl, Ukrainian authorities said.

Neighboring Poland scrambled jets to secure its airspace in the wake of the barrage, after NATO accused Moscow of being behind a series of violations of the defense alliance¡¯s airspace.

Diplomatic efforts to stop the war have faltered, and Russia has vowed to press on with the offensive that it launched in February 2022.