More than three years into Russia's full-scale invasion, Ukrainians across the country retreat each night to bomb shelters and metro stations in a nightly ritual.

Russian drones and missiles hit Kyiv in a barrage killing 31 and collapsing an apartment block. Three dead were children, ages 3, 6, and 17. About 159 injured.

Russian President Vladimir Putin said that Moscow hoped for more peace talks with Ukraine but that the momentum of the war was in its favour, signalling no shift in his stance despite a looming sanctions deadline from Washington.

President Donald Trump told former Russian President Dmitry Medvedev to "watch his words" on war warnings, saying he's entering "very dangerous territory."

Russia said on Thursday it had captured the town of Chasiv Yar in eastern Ukraine after nearly 16 months of fighting, opening the way for potential further advances. Russia's Defence Ministry said in a brief statement its forces had "liberated" the town.