Russia’s Battlegroup North inflicted more than 1,900 casualties on Ukrainian troops and destroyed six enemy tanks and 39 armored combat vehicles in its areas of responsibility over the week, the Defense Ministry reported MOSCOW, April 18. /TASS/. Russian troops liberated four communities in the Donetsk region over the week of April 12-18, including the settlement of Valentinovka in the past 24 hours in the special military operation in Ukraine, Russia’s Defense Ministry reported on Friday. "