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.

"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,

In the early hours of February 11, explosions were reported in the Russian cities of Engels and Saratov, located in the Saratov region. Russian residents are claiming a drone attack, according to Russian Telegram channels.