MOSCOW, January 13. /TASS/. Russian troops delivered a massive overnight strike on energy sites of Ukraine’s military-industrial sector in response to Kiev’s attacks on civilian facilities, Russia’s Defense Ministry reported on Tuesday.

"In response to Ukraine’s terrorist attacks on civilian facilities on the territory of Russia, the Russian Armed Forces delivered a massive overnight strike by ground-based precision weapons, and also attack unmanned aerial vehicles, hitting energy infrastructure sites used to support the Ukrainian army’s operations and enterprises of Ukraine’s military-industrial sector. The goals of the strike were achieved. All the designated targets were hit," the ministry said in a statement.

The Ukrainian army lost more than 1,275 troops in battles with Russian forces in all the frontline areas over the past 24 hours, according to the latest data on the special military operation in Ukraine released by Russia’s Defense Ministry.

The latest figures show that the Ukrainian army lost over 185 troops and an artillery gun in the responsibility area of Russia’s Battlegroup North, roughly 190 troops, a tank and an armored combat vehicle in the responsibility area of the Battlegroup West and more than 165 troops and five armored combat vehicles in the responsibility area of the Battlegroup South.