Ukrainian missile drones, identified as "Peklo" and "Shahed" types, attacked the Rosneft Ryazan oil refinery in Ryazan, Russia, during the night of October 23rd, 2025. The attack, which has been ongoing for over 13 hours since 19:00 UTC, involved the launch of approximately 130 UAVs, with 92 "Geran-2/Harpy-A1" drones reportedly destroyed or locally lost, according to the General Staff of the Armed Forces of Ukraine. The refinery, one of Russia's largest, annually produces around 17.1 million tons of oil products. The large-scale drone assault, which began before the current reporting window and continued through it, saw Ukrainian forces deploy drones from four launch areas: Primorsko-Akhtarsk, Tsymbulova, Chauda, and Shatalovo. As of 6:32 AM UTC on October 23rd, 2025, 13 UAVs were still in the air, with ongoing combat operations. This incident follows the prior day's U.S. imposition of economic sanctions on Russia's Rosneft Oil Company. The Ryazan refinery was previously reported to have been struck by a Ukrainian drone attack on October 23rd, 2025, causing a fire at the facility, according to earlier reports. Previous reports also noted overnight explosions in the Dyagilevo area of Ryazan and in Pavlograd between 12:32 AM and 1:32 AM UTC on October 23rd, 2025, coinciding with Ukrainian assertions that U.S. sanctions would trigger an economic collapse. President Donald Trump had previously denied authorizing Ukraine to conduct missile strikes inside Russia, calling a Wall Street Journal report "fake news" on October 23rd, 2025, amidst reports of air raid alerts in Ukraine's Sumy Oblast. The recent U.S. sanctions on Lukoil and Rosneft were a response to Russia's continued refusal to pursue peace in Ukraine, as detailed in reports from October 22nd, 2025. Earlier that week, explosions were reported in Kamianske, Ukraine, and at a plant in Kopeisk, Russia, where the death toll rose to nine.