Ukrainian troops along the de facto border with Crimea and facing rebels in the east have been placed on high alert amid a spike in tensions with Moscow. President Petro Poroshenko said he had instructed all military units there to be combat ready.
Ukrainian troops along the de facto border with Crimea and facing rebels in the east have been placed on high alert amid a spike in tensions with Moscow. President Petro Poroshenko said he had instructed all military units there to be combat ready.