Overview
- Russian Telegram channel ASTRA and local residents reported explosions and fires at the Ryazan Oil Refinery overnight on Dec. 5–6.
- ASTRA counted the incident as at least the ninth attack on the refinery since the start of 2025.
- Eyewitness footage posted online shows flames and smoke rising from the facility.
- Ryazan Governor Pavel Malkov said a fire was quickly contained with no casualties and no serious damage reported.
- Russia's Defense Ministry said air defenses shot down 29 drones over Ryazan Oblast, and Ukraine had not publicly claimed responsibility at the time of reporting.