At ‌least four people were killed in a major Ukrainian drone ‌attack on Russian regions, including Moscow, which faced its largest assault ​in more than a year.Three people died in the Moscow region and one in the Belgorod region, authorities said on ​Sunday.Ukraine’s president Volodymyr Zelenskiy said ​on Sunday: “Our responses to Russia’s prolongation of ​the war and ⁠its attacks on our cities ‌and ‌communities ​are entirely justified.” “The distance ​from Ukraine’s state ‌border is over ​500km. The concentration ⁠of ⁠Russian ​air defence in the Moscow region is the highest. But we are overcoming ‌it,” he ⁠said. “ ... We are clearly telling the Russians: their ‌state must end ​its war.”Moscow regional governor Andrei Vorobyov said a woman was killed when ⁠a home was hit in Khimki, north ‌of ‌the ​capital, adding that rescuers were searching the debris for another person. Two men ⁠were killed in ​the village of Pogorelki ​in the Mytishchi district. Several residential high-rises and infrastructure facilities ‌were damaged, he said.Air ​defences destroyed 81 drones headed for Moscow since midnight, ⁠TASS reported, citing ⁠mayor ​Sergei Sobyanin, making it the largest attack on the capital in over a year.Sobyanin said 12 people were injured, mostly near the entrance to Moscow’s oil refinery, while three houses were damaged. The “technology” of the refinery was ‌not damaged, ⁠he added.Russia’s defence ministry said 556 drones had been downed over the country overnight and into ‌the morning.The country’s largest airport – Moscow’s Sheremetyevo – said drone debris ​had fallen on its territory ​without causing any damage. – Reuters[ Why is Putin now talking about the war in Ukraine ‘coming to an end’?Opens in new window ]