The attacks come as Ukraine's surprise military incursion into Russia's Kursk border region enters its sixth day.
The cross-border raid by Ukrainian forces its Kyiv’s largest in the two-and-a-half years of conflict after Moscow launched its all-out invasion in early 2022.
Workers were shown, in a video posted by the emergency services, clearing brick by brick at night through a pile of building debris and lifting the body of a child from underneath it.
On the morning of 11 August, the process of identifying the people killed in a Russian missile strike on Kostiantynivka in Donetsk Oblast was completed – three children are among the dead.