Artillery hit a nine-story apartment building in the Obolonsky district, northern Kyiv, at 05.09 a.m. local time (0309GMT), causing a fire in the building.
Rescue teams saved 63 people from the building while the reaching remains of two civilians, the emergency service said on Telegram.
Meanwhile, the Antonov Serial Production Plant in Kyiv and the Okhtyrka region in the Sumy city were also hit by Russian air forces.
Since Russia launched its war on Ukraine, more than 2.69 million people have fled to other countries, according to UN estimates.