Ukraine launched a large-scale overnight drone attack targeting an oil refinery in Russia’s Yaroslavl region, major Baltic oil export ports in the Leningrad region, and an industrial facility in Kaluga, according to Russian officials and local media. On Monday, Yaroslavl Governor Mikhail Yevraev claimed that more than 70 Ukrainian drones were shot down on their approach to the region. Two people were reportedly hospitalized with shrapnel wounds.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. According to the Russian outlet Astra, the primary target was the Slavneft-YANOS oil refinery, one of Russia’s five largest refineries, with an annual processing capacity of 15 million tons.

Authorities temporarily closed roads near the refinery but did not report any damage. The facility was previously targeted on June 28 and has reportedly come under attack at least five times since December 2025. Ukraine also targeted Russia’s Leningrad region, Governor Alexander Drozdenko said, claiming that 62 drones had been intercepted. According to Drozdenko, the attack damaged infrastructure at the Luga military training ground as well as the seaports of Ust-Luga and Vysotsk. However, no casualties were reported. Ust-Luga is one of Russia’s largest Baltic oil export terminals, handling around 700,000 barrels of oil per day, along with crude oil, fuel oil, and vacuum gas oil. According to Reuters, oil product exports through the port exceeded 32.8 million tons in 2025.