The Rosneft-owned Saratov refinery is a major oil-processing facility that has been targeted by Ukrainian forces in multiple previous strikes.

Ukrainian drones struck an oil refinery in Ryazan and targeted other cities across Russia overnight on Sept. 6, monitoring channels and authorities reported.

Drones struck Russia’s Ryazan Oil Refinery, sparking a blaze at the plant, and damaged residential buildings in Rostov-on-Don.