Gas, water and electricity shortages have heavily affected the residents of Mariupol and Chernihiv, among other cities.
Speaking at a news conference Saturday, Ukrainian President Volodymyr Zelenskyy said Russia would have to carpet-bomb the Ukrainian capital and kill its residents to take the city.
Meanwhile, the Russian troops are attempting to encircle Kyiv further, fighting against heavy resistance in the west and the north of the city.
And after twelve days of siege, the strategic southern Ukrainian port city of Mariupol is without water, gas, electricity or communications, and people were seen fighting for food in recent days. The situation is "almost desperate", warned Médecins Sans Frontières (MSF).
The number of civilians killed during the siege of Mariupol reached 1,582, and some of the casualties had to be buried in mass graves. Local authorities fear that the actual number might be much higher.