Dhaka, Oct. 20 -- Ukrainian drones struck a key Gazprom-operated gas processing plant in southern Russia overnight, causing a fire but no casualties, local authorities said Sunday.

The Orenburg plant, located near Russia's border with Kazakhstan, is one of the world's largest gas processing complexes with an annual capacity of 45 billion cubic meters.

Regional Governor Yevgeny Solntsev said the attack ignited a workshop and partially damaged the facility, though emergency crews later brought the fire under control.

Russia's Defense Ministry said its air defenses shot down 45 Ukrainian drones overnight, including one over the Orenburg region and 23 over the neighboring Samara and Saratov regions.

Ukraine did not immediately comment on th...