Officials in several Russian regions, some hundreds of kilometres from the border, reported strikes overnight.

The barrage appeared to be one of the largest recent assaults in Ukraine’s campaign to damage Russia’s war machine on its home territory.

Ukraine has launched a "massive attack" that hit multiple targets in Russia 's Engels, Saratov, Kazan, Bryansk, and Tula, a senior Ukrainian official said. At such a critical moment in US history, we need reporters on the ground. Your donation allows us to keep sending journalists to speak to both sides of the story.