At least eight people have died overnight as Russian drone and missile strikes continued to pound Ukraine’s towns and cities, local officials said.
Meanwhile, Moscow’s troops continued their grinding advance through the country’s east.
A Russian missile strike on an apartment block in the Ukrainian city of Poltava killed at least seven people and injured 14 more, including three children, Ukraine’s emergency services reported.
Some 22 people were rescued from the five-storey building, which partially collapsed following the attack, said the Poltava region’s acting governor, Volodymyr Kohut.
Rescue teams remain at the site.
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Elsewhere, a 60-year-old woman was killed by falling debris from a downed drone in the Kharkiv region, local governor Oleh Syniehubov wrote on social media.
The bombardment comes as Russian forces continue their monthslong campaign to capture the key Donetsk strongholds of Pokrovsk and nearby Chasiv Yar, fighting their way across farm fields and woodland and engulfing small rural settlements.
Ukrainian President Volodymyr Zelensky wrote on social media on Saturday: “Last night, Russia launched an attack on our cities using various types of weapons: missiles, attack drones, and aerial bombs.
“Every such act of terror proves that we need greater support in defending against Russian terror.
Another Russian rocket attack struck Poltava (Ukrainian Emergency Service via AP)
“Every air defence system, every interceptor missile, means a life saved.”
The full-scale war between Russia and Ukraine, which began nearly three years ago and shows no signs of ending, has killed more than 10,000 Ukrainian civilians, according to the United Nations.
Many have been evacuated from areas along the roughly 600-mile front line where Ukrainian defences are straining to hold the bigger Russian army at bay.
Civilians have also endured hardship caused by Russian attacks on the power grid that have denied them heating and running water.
Saturday’s missile attack prompted emergency power grid shutdowns in seven Ukrainian regions, including Poltava, state energy company Ukrenergo said.
Ukrainian strikes also hit Russia, with air defences intercepting nine drones across the country’s Bryansk, Belgorod and Saratov regions, Russia’s Defence Ministry said.