Russia's Defence Ministry has claimed that 49 drones attacked seven Russian oblasts on the night of 30-31 January. Source: Russia's Ministry of Defence Quote: "On-duty air defence units tracked and destroyed 49 Ukrainian unmanned aerial vehicles overnight (on 30-31 January – ed.

"This refinery is one of the 10 largest oil refineries in Russia in terms of design capacity and is involved in supplying the Russian occupatying army," the General Staff said in a statement.

Drone strikes were reported across multiple Russian regions, including Nizhny Novgorod, Smolensk, Tver, and Bryansk, igniting fires and triggering air defence responses. While there were no reported casualties, an oil refinery in the city of Kstovo, Nizhny Novgorod, suffered significant damage.

A group of drones launched an attack on the oil refinery in Russia’s Volgograd region at nighttime on Friday, January 31. — Ukrinform.

A Ukrainian drone attack ignited a massive fire at an oil depot in Russia 's Smolensk region early Tuesday, authorities reported. The incident marks the latest in a series of strikes targeting Russian energy infrastructure in recent weeks.

On the night from Thursday to Friday, there was an attack on one of the largest oil refineries in Russia, located in the Volgograd Oblast. The information was provided by Andriy Kovalenko from the Ukrainian Centre for Countering Disinformation.