Ukraine says it has hit a major Russian oil refinery with long-range drones

A Ukrainian serviceman prepares a long-range drone (Evgeniy Maloletka/AP)

Ukrainian drones struck a major oil refinery in Russia’s Volgograd region for the second time in almost three months, Ukraine’s general staff said.

Russian officials did not confirm the attack, although the local governor said drones started a fire at an unspecified industrial facility in the region.