Ukraine Says It Struck Saratov Refinery, Fuel Sites; Fires Reported in Rostov

A major fire and damage were reported at Russia’s Saratov oil refinery after overnight attacks, while Ukraine’s military said it had struck the plant as part of a broader operation against fuel, pipeline and command targets inside Russia and Russian-occupied territory.

Reuters, citing Russian regional officials, reported attacks overnight in several Russian regions. In Saratov, Gov. Roman Busargin said “civil infrastructure” was damaged, according to Reuters. Multiple outlets, including Meduza and Ukrainian media cited in the reporting, also reported a large fire at the Saratov refinery after the attack.

Independent reporting also pointed to a second hit in Russia’s Rostov region. A fire was corroborated at a fuel-storage facility in Matveev Kurgan, and reports said no casualties were reported there.

Ukraine’s General Staff, in a statement on its official Telegram channel on May 31, said Ukrainian forces struck the Saratov refinery overnight and also hit the Matveev Kurgan fuel site, the Lazarevo linear production-dispatch station in Kirov region, a command-and-observation post in Begoshcha in Kursk region, UAV control points in Kalynove in Donetsk region and Grafovka in Russia’s Belgorod region, a UAV workshop in Donetsk, and areas where Russian forces were concentrated in Donetsk and Zhelanne in the Donetsk region. The General Staff also said earlier strikes on May 30 had been confirmed against three fuel tanks near the sea oil terminal in Feodosia, Crimea, and a gas storage site near Yenakiieve in Russian-controlled Donetsk region. Aside from Saratov and Matveev Kurgan, those additional claimed strikes were not independently confirmed in the reporting reviewed.

The Saratov refinery is a significant target if damage is sustained. The plant is owned by Rosneft, Russia’s largest state oil producer, and is one of the key refineries in the Volga region, with published capacity of about 7 million tonnes of crude a year. It produces gasoline, diesel and other fuels for central Russian markets.

The strike fits a broader Ukrainian campaign in 2026 aimed at Russian fuel and logistics infrastructure. Reuters reported earlier in May that repeated Ukrainian attacks on refineries had cut into Russian refining capacity and exports. Fuel infrastructure is often described by the combatants as dual-use because it serves civilian markets while also supporting military logistics. As of the reporting reviewed on May 31, Rosneft had not publicly detailed the extent of damage at Saratov or said whether the refinery’s operations had been disrupted.