Ukraine has recaptured its first village in Luhansk, a region that Russian forces took five months to bomb into submission and conquer. Belogorovka is the latest prize for Ukraine’s continuing counter-offensive pushing Russia away from the second city of Kharkiv. The village lies only a dozen or so miles from the towns of Lysychansk and Severdonestsk, key regional economic centres in the wider Donbas region that the Kremlin has promised to defend at all costs. The village also lies 45 miles east of the Oskil River, where Russian forces fled after a Ukrainian offensive around Kharkiv recaptured an area the...