"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.

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

Units of the Ukrainian Armed Forces' Unmanned Systems Forces (USF), together with Defence Intelligence of Ukraine and other components of Ukraine’s defence forces, launched an attack on the LUKOIL-Volgogradneftepererabotka refinery in Russia's Volgograd Oblast on the night of 30-31 January.

On the night of January 31, unidentified drones once again attacked several regions of Russia. In particular, a fire broke out at an oil depot in the Volgograd region due to the attack, RBC-Ukraine reports,