Haunting footage has emerged showing Russian troops advancing through thick fog in a convoy of wrecked cars, many missing doors and windows, in scenes likened to Mad Max. The video, shared by the Kyiv Post, shows soldiers clinging to battered vehicles and motorbikes as they roll down a debris-strewn road. A broken drone lies by the roadside as the column disappears into the mist. The clip surfaced as Moscow's forces claimed new gains near the Ukrainian city of Kupiansk, where Russian troops say they have seized a string of railway stations and an oil depot on the city's eastern edge....