Volodymyr Zelenskyy says strikes on oil facilities part of ‘long-range sanctions’ intended to isolate the territory Volodymyr Zelenskyy says strikes on oil facilities part of ‘long-range sanctions’ intended to isolate the territory Ukraine has stepped up its strikes on Crimea as part of a strategy to isolate the occupied peninsula from mainland Russia and raise the cost of the occupation. On Sunday, Russian-installed authorities suspended civilian fuel sales until at least Wednesday, a move