Ukraine has shown reporters fragments of the missile it says hit a key government building in Kyiv this weekend, identifying it as a Russian Iskander cruise missile.
Officials here now believe the building was struck deliberately in the early hours of Sunday morning.
Vladimir Putin's response to Donald Trump's peace efforts has been a clear escalation in Russian attacks.
But they don't only target the Ukrainian capital.
In the eastern Donbas region, more than 20 civilians were killed by a Russian glide bomb on Tuesday as they queued to collect their pensions.
