Ukraine President Volodymyr Zelenskyy says Russian forces have shelled settlements in the southern Kherson region 258 times in the last week.
In his nightly video address on Monday, Zelenskyy also accused Moscow of damaging a water pumping station near the city of Mykolaiv, northwest of Kherson.
Russian forces retreated from Kherson city and the western bank of the Dnipro River earlier this month, but troops have dug in on the eastern bank of the river and have continued to shell around 30 towns and villages in the region.
The UK Defence Ministry reported that the strikes reached a record high, 54, on Sunday.
Zelenskyy has warned his Ukrainians that new Russian attacks on the country's energy infrastructure are expected this week.
Millions have been left without power and water after missile strikes on power stations and grids ahead of the winter.
Power supply has been restored to around 17% of residents in Kherson city.
National grid operator Ukrenergo said on Monday it had been forced to impose regular emergency blackouts in areas across the country after a setback in its race to repair its energy infrastructure.
The national system's power capacity deficit had fallen to 27%, Ukrenergo said.
Kyiv mayor Vitali Klitschko said some of the city’s 3 million people might have to be evacuated to where essential services would be less prone to shutdowns.
Russia acknowledges attacking Ukrainian infrastructure but denies targeting civilians.
On Monday, Ukraine’s presidential office said at least four civilians were killed and 11 others wounded in the latest Russian attacks, while intense fighting raged in the east, with the Russians shelling Bakhmut and Toretsk.
NATO Secretary General Jens Stoltenberg has reaffirmed that Ukraine will one
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