At least 15 people have been killed and more are feared trapped after Russian Uragan rockets hit a five-storey apartment block in Ukraine's Donetsk region, leading to the building partially collapsing, local officials said.
The regional emergency service gave the latest death toll from the strike in the town of Chasiv Yar as 10 people, with rescue work still going on.
Several hours earlier, Donetsk region Governor Pavlo Kyrylenko said on Telegram that at least 34 people could be trapped under the ruins.
Andriy Yermak, chief of staff to Ukraine's president, said in a Telegram post that the strike was "another terrorist attack," and that Russia should be designated as a "state sponsor of terrorism" as a result.
A bill to apply this label to Russia has been tabled by two U.S. senators, who expressed their confidence the proposal would be voted through during a Thursday visit to Kyiv.
Russia, which says it is conducting a "special military operation" to demilitarise Ukraine, denies targeting civilians.
Israel is poised to send troops into Rafah, the Gazan city it sees as the last bastion of Hamas, Israeli media reported on Wednesday, saying preparations were under way to evacuate war-displaced Palestinian civilians who have been sheltering there.
Former Japanese Prime Minister Taro Aso, a senior figure in the country's ruling party, met with Donald Trump on Tuesday, becoming the latest US ally seeking to establish ties with the Republican presidential candidate.
Russian missiles damaged residential buildings and injured six people in Ukraine's second-largest city, Kharkiv, early on Wednesday, Governor Oleh Synehubov said on Telegram.
Five migrants died in an attempt to cross the English Channel from France to Britain in an overcrowded small boat on Tuesday, hours after Britain passed a bill to deport asylum seekers to Rwanda in a move to deter the dangerous journeys.
Israel bombarded northern Gaza overnight in some of the heaviest shelling in weeks, causing panic amongst residents and flattening neighbourhoods in an area from which the Israeli army had previously down its troops, residents said on Tuesday.