Ukraine has accused Russian troops of kidnapping civilians and killing a non-combatant in the city of Vovchansk in the Kharkiv region in the north-east, which has again become a key battlefront in the war. “The first shootings of civilians by the Russian military have become known,” Interior Minister Ihor Klymenko wrote on his Telegram channel on Thursday. According to Klymenko, a resident who tried to flee and defied Russian orders was killed. Other residents of the embattled city were prevented from leaving, “kidnapped and driven into cellars,” he wrote. The allegations cannot be independent…