Long-range strike drones of the Security Service of Ukraine (SSU) have hit one of Russia's major refineries – the Orsknefteorgsintez plant in Russia's Orenburg oblast, located 1,400 km from Ukraine. Source: Ukrainska Pravda source in the Security Service of Ukraine Details: Long-range strike drones of the SSU's Special Operations Centre A hit a target in Orsk. Advertisement: A fire broke out at the Orsknefteorgsintez refinery in Russia's Orenburg Oblast. Orsknefteorgsintez operates four primary oil-processing units with a total capacity of 6.6 million tonnes of oil per year. Далекобійні дрони СБУ вразили російський НПЗ - "Орськнафтооргсинтез" pic.twitter.com/zVfLcJHQaC— Українська правда ✌️ (@ukrpravda_news) October 3, 2025 The plant produces around 30 types of products including petrol, diesel, lubricants, aviation kerosene, bitumen and fuel oil. Video from the source shows plumes of smoke rising from the refinery after the drone strikes. "Бавовна" палала на нафтопереробному заводі "Орськнафтооргсинтез" pic.twitter.com/1tknvIzKK9— Українська правда ✌️ (@ukrpravda_news) October 3, 2025 Russian authorities ordered an evacuation at the plant, and Orsk officials urged residents to stay calm. The source said that Ukrainian drone strikes have put nearly 40% of Russia's refinery capacity out of action. Support Ukrainska Pravda on Patreon!