A drone attack has been carried out on the Slavneft-YANOS oil refinery in the Russian city of Yaroslavl, causing a fire at the facility.

Axar.az reports, citing Kyiv Post, Ukrainian long-range drones struck one of Russia’s largest oil refineries during an overnight raid on April 26, with footage confirming a fire breaking out at the site.

The Slavneft-YANOS refinery, controlled by Rosneft and Gazprom, is among Russia’s top five refineries by processing capacity and serves as a key fuel supplier for central regions of the country.

It should be noted that the plant is one of the largest oil refining facilities in Russia.