Russia is “rapidly approaching” a key military hub in eastern Ukraine, a local official has said, as Moscow continues its advances despite Kyiv’s surprise gains in its enemy’s Kursk region.While Pokrovsk is not a major city – about 60,000 people lived there before the war and many have left since the start of the full-scale invasion – it serves as a key hub for the Ukrainian military thanks to its easy access to Kostiantynivka, another military center.Ukrainian troops use the road connecting the two to resupply the front lines and evacuate casualties toward Dnipro.Serhii Dobriak, head of the Pokrovsk city...