President Volodymyr Zelenskyy accused Moscow of carrying out "energy terror", as a former leader of Russia says its forces are engaged in a sacred battle. Foreign news reporter @MikeRDrummond About 4.5 million Ukrainians have been left without power following continued drone strikes on the country's power network, as an ally of Vladimir Putin claimed Russian troops are fighting a holy war against Satan. Swarms of kamikaze drones have been wreaking havoc on Ukraine's power infrastructure, plunging cities into darkness and leaving homes without electricity. Ukraine and its Western allies have accused Iran of supplying the drones to Russia, but Tehran has denied the charge. Meanwhile in Russia, celebrations to mark the nation's Day of Unity are expected to take place today. Russia signals retreat in Kherson - Ukraine war latest updates President Volodymyr Zelenskyy accused Russia of carrying out "energy terror" and of trying to "humiliate" Ukrainians because it cannot defeat them on the b