Ukrainian President Volodymyr Zelensky said on Saturday that Ukrainian drones had struck an oil refinery in Russia’s Tyumen Region in western Siberia, more than 2,000km (1,200 miles) from Ukraine. He also said Ukraine had developed new long-range drones capable of operating over more than 3,000 km. Speaking in his nightly video address, Zelensky offered thanks to the Ukrainian military’s special operations which “have reached Tyumen Region in Russia, including an oil refining facility. More...