Russian Telegram channels shared videos showing the blaze as drones struck the Ryazan and Voronezh regions overnight.

The successful drone attack on Russia's Ryazan oil refinery overnight on May 1 was a special operation of Ukraine's Main Intelligence Directorate (HUR), RBC-Ukraine sources reported.

In the Krasnodar region of Russia, explosions were heard overnight into May 2 in the area of the Afipsky settlement, where an oil refinery is located. The cause was reportedly a drone attack on this facility and the operation of air defense systems,

In spite of cautions from the United States, Ukraine is persistently targeting oil refineries within Russian territory, thereby causing interruptions in the export of oil products and fueling a surge in prices,

Drones struck Russia's Ryazan and Voronezh oblasts overnight on May 1, causing a fire to break out at a Ryazan oil refinery, the oblasts' governors reported.

Ukrainian drones have targeted several regions in central and southwestern Russia, the Russian Defense Ministrysaid Wednesday, as Ukrainian media reported that Kyiv was behind alleged attacks against at least two Russian oil refineries.

Support independent journalism in Ukraine. Join us in this fight. Become a member Support us just once In a significant escalation, drones belonging to the Ukrainian military intelligence were reported to have launched attacks on the Ryazan Oil Refinery as of the early hours of May 1,