Russia will continue to defend the Luhansk region in Eastern Ukraine, but it is unclear whether its forces have sufficient reserves or adequate morale to prevail, British defense officials said Saturday. Ukraine continues its counteroffensive in the north-east, while Russian troops have established a defensive line along the Luhansk border, according to the British Ministry of Defense. "Any substantial loss of territory in Luhansk will unambiguously undermine Russia's strategy," the MOD said. The report comes a day after Ukrainian authorities discovered more than 440 bodies in a mass grave in Izium. Ukrainian President Volodymyr Zelensky said a video address late...