Russian forces struck the southeastern Ukrainian city of Zaporizhzhia with glide bombs on Saturday, killing four people and injuring six, Regional Governor Ivan Fedorov said on Telegram.
Fedorov said there had been nine strikes in the city. He said residents could well be trapped in the rubble of damaged buildings.
Russian bombs also struck an apartment building on Saturday in Kharkiv, Ukraine’s second-largest city, killing at least one person and wounding nine, including a 6-year-old child, authorities said.
A body was pulled from the rubble hours after the attack, Mayor Ihor Terekhov said on Telegram.
He said that the bombs slammed into the low-rise building in Kharkiv's Kholodnohirskiy district in the early hours.
The head of the regional administration, Oleh Syniehubov, said that at least nine people were wounded, five of whom were hospitalized.
Elsewhere in Kharkiv, a Russian drone struck a civilian vehicle on Friday evening, killing a man and wounding the woman who was driving the car, Syniehubov said.
Later on Saturday, Russia again launched guided bombs at Ukraine, striking the outskirts of the northern city of Sumy, according to local administration head Oleh Hryhorov.
The attacks killed a male civilian and damaged at least 20 private houses, Hryhorov reported on Telegram.
Ukraine's air force said that it shot down 92 of 99 Russian drones launched overnight and that seven struck targets in three locations.
Meanwhile, Russian air defenses repelled a drone attack on an oil refinery in Tyumen in Western Siberia, Gov. Alexander Moor said Saturday. He said that there was no damage to the refinery and staff members were evacuated.