Russia sent dozens of attack drones across Ukraine before dawn on Tuesday, directing most at Kyiv, the capital, in the latest assault far from the front lines. Ukraine's Air Force said it had shot down 32 of the 35 drones.
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Ukrainians released in prisoner exchanges have come home with tales of appalling suffering in Russian captivity.
"I thought it was the end," said one soldier who was left on a bed to die, with his jaw shattered and gangrene spreading across his tongue.
Ukraine said on Monday that it had recaptured eight settlements over two weeks of "offensive actions." But the advances have come at the cost of Ukrainian lives and advanced Western equipment.