Spokesman of the Main Intelligence Directorate of Defence Ministry of Ukraine Vadym Skibitsky said at a press briefing on Friday. "Military intelligence has registered heavy losses of personnel in the First Army Corps of Russian occupation troops: 180 persons killed in action, another 190 injured. Among those killed 80 are Russian citizens at least 30 of them are military staff of the Russian Armed Forces, mainly from special operations units. According to our information, at least 70 of the injured militants were taken to Russian hospitals in the Rostov region," said the Ukrainian military official.