The reported strike comes two nights after Ukrainian forces launched a joint attack against the refinery that allegedly damaged multiple on-site facilities.

On the night of January 26, explosions were heard over Ryazan, Russia. The Russians claim that unidentified drones once again attacked an oil refinery, which then caught fire, according to Russian Telegram channels.

A series of explosions occurred in Russia's Ryazan Oblast on the night of 25-26 January, which the Russians claimed were the result of a drone attack on a local oil refinery. Source: Andrii Kovalenko,

Ukrainian drones hit a Russian oil refinery in the city of Ryazan overnight, causing a fire and damaging equipment at one of Russia's biggest refineries, four industry sources told Reuters on Friday.

Emergency crews in Russia’s Ryazan region are responding to an early morning drone attack. Governor Pavel Malkov reported that air defense units intercepted drones targeting the main town. Unverified videos on Telegram suggest major fires,

Ukraine on Sunday claimed a night-time drone attack on a Russian oil refinery south of Moscow, in the second attack on the same site in less that

Overnight into January 26, an oil refinery in the Ryazan Oblast is likely on fire as a result of a drone attack. Footage posted online confirms a fire at the

Ukraine drones hit an oil refinery east of Moscow in a mass attack on Russia, according to military sources. The oil plant in Ryazan, 120 miles south east of the capital, was targeted, as was a microelectronics production plant in Bryansk, western Russia, according to Ukraine’s military.

Ukraine launched drone attacks on Russian regions and a significant oil refinery, destroying 15 drones and two sea drones. The Ryazan region suffered eight attacks, Kursk six, and Belgorod one. Though no casualties were reported,

The Security Service of Ukraine (SBU) and Ukraine’s Special Operations Forces (SOS) struck the Ryazan Oil Refinery and the Ryazan Thermal Power Plant in an overnight drone strike on Jan. 24, an SBU source told the Kyiv Independent. The attack was later confirmed by the General Staff of Ukraine’s Armed Forces.

The Ryazan Oil Refinery is one of the four largest refineries in Russia. Therefore, strikes on the facility are crucial for disrupting the occupiers' logistics, according to the Ukrainian Armed Forces' Unmanned Systems.