Two civilians were killed in Russian attacks on the eastern Ukrainian town of Avdiivka, the Donetsk region administration said on Sunday.
In one of its few offensives in months, Russia's military pressed on for a fifth day with assaults on Avdiivka, with shelling so fierce that emergency crews were unable to recover the dead from wrecked buildings.
The administration of the Donetsk region said on Sunday on the Telegram messaging app that one more person was injured elsewhere in the region.
The General Staff of Ukraine's Armed Forces said on Sunday its forces had repelled 15 Russian attacks near Avdiivka, Tonenke and Pervomaiske in the Donetsk region, while Russian forces launched heavy air strikes in the area.
Oleh Sinehubov, governor of the Kharkiv region also in Ukraine's east, said on Sunday a 54-year-old woman and a 57-year-old man were killed and one woman injured in an overnight Russian air attack.
Reuters could not independently verify the reports.
Both sides deny targeting civilians in the war that Russia launched against its neighbour in February last year.
North Korean leader Kim Jong Un told Russia's top diplomat his country was ready to "unconditionally support" Moscow's every effort to resolve the conflict in Ukraine, state media reported on Sunday, as the two countries held high-level strategic talks.
A preliminary report depicted confusion in the cockpit shortly before an Air India jetliner crashed, killing 260 people last month, after the plane's engine fuel cutoff switches almost simultaneously flipped, starving the engines of fuel.
US President Donald Trump defended the state and federal response to deadly flash flooding in Texas on Friday as he visited the stricken Hill Country region, where at least 120 people, including dozens of children, perished a week ago.
Russia pounded Ukraine with hundreds of drones and dozens of missiles on Saturday, in the fourth major attack this month, targeting western cities and killing at least two people in Chernivtsi on the border with Romania.