Drone attack targeted an oil refinery in Russia’s Saratov region overnight, while separate reports indicated that two major oil facilities in the Republic of Tatarstan may also have come under attack. Saratov regional Governor Roman Busargin said shortly after 2 a.m. local time that Russia’s Defense Ministry had warned of a drone threat in the region. Soon afterward, temporary flight restrictions were imposed at Saratov airport.JOIN US ON TELEGRAMFollow our coverage of the war on the @Kyivpost_official. By around 3 a.m., Russian monitoring channels reported explosions near the Saratov oil refinery, claiming it had been targeted by drones. The refinery, operated by Rosneft, is one of the oldest oil-processing facilities in the Volga region and supplies fuel to Russia’s military. Russian monitoring channels also reported a possible drone strike on an airfield in the town of Borisoglebsk in Russia’s Voronezh region, where a fire was reportedly observed. The reports could not be independently verified. Separately, Russian OSINT channels reported that drones may have struck two major industrial facilities in the city of Nizhnekamsk, Tatarstan - the Nizhnekamskneftekhim petrochemical complex and the TANECO oil refinery. Videos and photographs circulating on social media showed explosions and smoke rising over the industrial area. Nizhnekamskneftekhim is Russia’s largest petrochemical producer and part of the SIBUR holding company, while TANECO is considered one of the country’s most advanced refineries, producing Euro-5 gasoline, diesel fuel, aviation kerosene and other petroleum products.