Kyiv targeted oil hubs which provide Russia's military with fuel in the ongoing war, as well as a number of strategically important military sites.

"The Saratov Oil Refinery is one of the key facilities in Russia's fuel infrastructure. Its refining capacity reaches 7 million tons of oil annually," Andrii Kovalenko, head of Ukraine's Center for Countering Disinformation,

A Ukrainian drone attack overnight sparked a fire at an oil depot in Russia's southern region of Krasnodar that has since been extinguished, regional officials said on Wednesday.

Ukraine has launched its second major drone attack in a week against Russian oil refineries hundreds of miles from its borders.

"The refinery mainly produces gasoline, fuel oil, and diesel fuel. In total, more than 20 types of oil products (are being produced there)," the General Staff said.

Rosneft, the Russian oil company, has temporarily suspended operations at its oil refinery in Saratov, a city in southern Russia. The decision to halt fuel production was taken as a safety measure following attacks by Ukrainian drones on Tuesday,

Ukraine`s Unmanned Systems Forces, Defense Intelligence, and Special Operations Forces struck the Saratov oil refinery in Russia, which processes crude oil, the General Staff of the Armed Forces of Ukraine reports.

A Ukrainian drone attack sparked a fire at an industrial site in southern Russia’s Saratov region, regional officialssaid Tuesday as authorities in Kyiv and Russian media claimed the attacks targeted an oil refinery.

The defence forces of Ukraine attacked the Russian oil refinery in Russiaʼs Saratov Oblast on the night of 10-11 February. Source: General Staff of the Armed Forces of Ukraine Quote: "Units of the Unmanned Systems Forces of the Armed Forces of Ukraine,