Russian forces have focused their efforts on attacking and capturing the city of Severodonetsk in the Donbas region of Ukraine, local officials said Wednesday. Serhiy Haidai, head of the regional military administration in Luhansk province, said Severodonetsk is the last major city in the province not already under Russian control. Luhansk and Donetsk provinces make up the greater Donbas region, which Russia recognizes as separate from Ukraine. Battle for key ...