- A Ukrainian drone attack caused a fire at a refinery in Russia’s Ryazan region, according to Russian authorities.
- Kyiv says it ended its pause because Russian attacks on Ukrainian energy infrastructure had continued.
- The incident adds uncertainty to diesel supply, but the available reports do not establish the refinery’s production loss.
Ukraine has resumed attacks on Russian oil infrastructure with a strike on a refinery in the Ryazan region, ending a brief pause that Kyiv said had failed to secure reciprocal restraint from Moscow.
Ryazan governor Pavel Malkov reported that a major drone attack caused a refinery fire on Thursday. The installation is owned by Rosneft and accounts for almost 5% of Russia’s refining throughput, adding psychological weight to the attack.
“The material damage is now being assessed. Emergency services are working at the scene,” Malkov said in a Telegram post quoted by Reuters.
US President Donald Trump had announced an energy ceasefire on 11 October, although neither Russia nor Ukraine had confirmed the arrangement. Ukrainian President Volodymyr Zelenskyy subsequently said Kyiv had paused attacks for three days in response to US wishes.
Zelenskyy told the Financial Times that Ukraine would resume strikes because Russia had continued attacking its energy infrastructure. Associated Press independently reported the Ryazan fire and Kyiv’s decision to abandon the pause.
The renewed campaign comes amid tensions between Kyiv and Washington over intelligence support and restrictions affecting satellite communications. Deutsche Welle reported that Russian attacks had continued during the attempted pause, including strikes that Ukrainian authorities said interrupted power supplies to 600,000 people.
Refining capacity key
For fuel buyers, the immediate concern is whether further attacks interrupt production of diesel and other products. An oil-producing country can continue pumping crude while losing the ability to process part of it into the fuels customers need.
The background market is already strained. The International Energy Agency’s October assessment warned that gasoil and diesel inventories had been depleted by prolonged disruption to Middle Eastern and Russian exports, leaving limited stock cover before winter.
A reported refinery fire does not necessarily entail a prolonged shutdown. Facilities contain several units and the effect of damage depends on what was hit, whether other equipment can operate and how quickly repairs are completed.
UK buyers should therefore watch for further reports on utilisation and product shipments before incorporating the incident into a precise supply forecast. Freight availability and the location of replacement cargoes will also influence whether disruption reaches particular customers.
For businesses with substantial diesel commitments, the risk extends beyond the pump price. A delivery shortfall can affect operating schedules, while short-notice replacement purchases may be more expensive than contracted supply.
The strategic implication is that fuel security depends on a chain of functioning assets and transport arrangements. Crude production, refining, storage and shipping each require attention, particularly when conflict threatens several stages at once.
Efficiency and electrification can reduce the volume of petroleum a business needs over time. Existing fleets and industrial processes, however, retain immediate exposure. For them, the key detail will be the extent of Ryazan’s damage, the duration of any outage and whether the renewed attacks become a sustained campaign against Russian refining.

















