Yesterday and overnight into May 15, 2026, units of Ukraine’s Defense Forces struck a number of key facilities of the Russian occupiers, the General Staff of the Armed Forces of Ukraine reports.
In particular, the Ryazan oil refinery in Ryazan (Ryazan Region, Russian Federation) was hit. A large-scale fire was recorded on the site.
The Ryazan Refinery is one of the largest oil-processing enterprises in the Russian Federation. Its processing capacity is about 17 million tonnes of oil per year. The plant produces gasoline, diesel and jet fuel used to meet the needs of Russia’s occupying forces.
In addition, Ukraine’s Defense Forces struck a small missile boat and a minesweeper at the "Kaspiysk" naval base.
Enemy ammunition depots were also hit in the areas of Yepifanivka and Rovenky in the temporarily occupied territory of Luhansk Region.
In addition, a strike hit a logistics supplies depot in Raihorodka in the temporarily occupied territory of Luhansk Region, as well as an enemy electronic warfare equipment depot in Dmytrivka in the temporarily occupied territory of Donetsk Region.
Ukrainian troops also struck an FSB coastal technical reconnaissance post of the Russian Federation in Mariupol in the temporarily occupied territory of Donetsk Region: the MR-232 “Bussol-S” radar station and an electro-optical module were hit.
In addition, a Russian fuel and lubricants depot is hit in Mariupol.