A “massive” Russian missile and drone attack has targeted power infrastructure across Ukraine, the country’s energy minister German Galushchenko has said. It is the largest such assault since early September, with reports of several explosions across Ukraine, according to authorities and local media.

Russia unleashed its largest wave of airstrikes on Ukraine in almost three months on Sunday, firing 120 missiles and 90 drones in a sweeping attack that killed at least seven people and caused "severe damage" to the power system,