Vladimir Putin has admitted Russia is facing fuel shortages as Ukraine steps up its long-range drone campaign, with repeated strikes setting oil refineries ablaze and forcing multiple regions to introduce unprecedented petrol rationing. Speaking to Russian state television late on Sunday, the Russian president acknowledged for the first time that Ukrainian attacks on energy infrastructure were affecting domestic fuel supplies. “Of course, they create problems, that’s obvious,” Putin said. “Right now we’re observing a certain shortage, but it’s not critical.” Putin said Moscow would seek to ease the shortages by boosting fuel imports, while redoubling efforts to protect refineries from...