In the latest attack, a Russian missile hit a Ukrainian army training ground, killing at least three soldiers and wounding 18, said the authorities.
The official statement released by the Russian Defence Ministry says that the strike killed or wounded about 200 Ukrainian troops. The ministry said that Ukraine's 169th training centre near Honcharivske in the Chernihiv region was hit with two Iskander missiles, one armed with multiple submunitions and another with high explosives.
Meanwhile, Russia continued to amp up its air attacks on civilian areas in Ukraine. Ukraine's air force said that 78 attack drones were launched overnight, including up to eight new jet-powered drones. At least five people were injured in the attacks.
Civilian casualties
The UN mission in Ukraine says there has been a worsening trend in civilian casualties from Russian attacks this year, with 6,754 civilians killed or injured in the first half of 2025 — representing a 54 per cent increase from the same period in 2024.
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Since Russia launched an all-out invasion of neighbouring Ukraine on February 24, 2022, at least 13,580 Ukrainian civilians, including 716 children, have been killed, according to the UN.
Trump's deadline
To stop the civilian killings, US President Donald Trump gave Russian President Vladimir Putin until August 8 for peace efforts to make progress, or Washington will impose punitive sanctions and tariffs. The statement of the US president came on Tuesday.
Western leaders have accused Putin of dragging his feet in US-led peace efforts in an attempt to capture more Ukrainian land. Recent attacks under investigation, Ukrainian forces are mostly hanging on against a grinding summer push by Russia's bigger army, though the Russian Defence Ministry has claimed some recent small advances at places along the 1,000-kilometre front line.
Ukrainian ground forces acknowledged that a Russian strike hit a military training ground in the Chernihiv region of northern Ukraine, but its casualty report differed widely from one issued by Moscow. A Russian Defence Ministry video showed multiple small explosions caused by a missile with a shrapnel warhead, followed by one big blast, apparently from the other one armed with a high-explosive warhead.