💥 Attack

Ukrainian drones from SBU struck Ust-Luga and Primorsk in Leningrad Oblast, causing substantial fires.

March 26, 2026 Kirishi, Leningrad Oblast

Verified Independently confirmed by 6 sources

Stefan Korshak (Substack) Institute for the Study of War Ukrainska Pravda Kyiv Independent Kyiv Post Censor.NET

Multiple high-reliability sources confirm the core facts of this event.

Entities

SBU drones (weapon_system) Ukrainian General Staff (military_unit) Ukrainian forces (military_unit) Kirishi Oil Refinery (location) Ukraine (organization) Ukrainian Defense Forces (organization) Kinef oil refinery (location) Kirishi Petroleum Organic Synthesis (Kinef) (organization) Kirishi Petroleum Organic Synthesis (organization) Kinef (Kirishi Petroleum Organic Synthesis) oil refinery (location) Ukrainian drones (weapon_system) Ukrainian Armed Forces (military_unit) Aleksandr Drozdenko (person) Kirishinefteorgsintez (KINEF) refinery (location) Surgutneftegaz (organization) Alexander Drozdenko (person) Kyryshevsky oil refinery (location) Unmanned Systems Forces of the Armed Forces of Ukraine (military_unit) USF "Ptakh" (military_unit) Security Service of Ukraine (organization) Kirish Oil Refinery (location) Primorsk port (location) Ust-Luga port (location) Ukraine's Defense Forces (organization) Robert Brovdi (person)

Source Reports

What each source reports. "Source tone" reflects the language used by the outlet — it is not an independent verification.

Stefan Korshak (Substack) → Source tone: certain

SBU drones caused substantial fires at Ust-Luga and Primorsk March 26-27

Institute for the Study of War → Source tone: certain

Ukrainian forces struck the Kirishi oil refinery in Leningrad Oblast, setting fire to primary oil refining plants and two tanks.

Ukrainska Pravda → Source tone: likely

The refinery had halted all operations after a Ukrainian drone attack caused a fire there.

Kyiv Independent → Source tone: likely

Ukrainian drones hammered major Russian refinery in Leningrad Oblast for second night in a row

Kyiv Post → Source tone: certain

More than 20 Ukrainian drones struck Russia's Leningrad Oblast overnight on March 26, damaging industrial infrastructure near one of the country's largest oil refineries

Kyiv Post → Source tone: certain

The site was identified as the Kirishinefteorgsintez (Kirishi Petroleum Organic Synthesis, or KINEF) refinery – Russia's second-largest by processing capacity

Kyiv Post → Source tone: certain

The plant refines up to 20 million tons of oil annually, producing fuel and petrochemicals critical to domestic supply and export flows

Censor.NET → Source tone: likely

Ukrainian deep-strike units including USF "Ptakh" and SSU carried out drone strikes on the Kirish Oil Refinery on March 26, 2026.

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Extraction metadata

Extracted: 2026-05-30T04:15:30.883Z

Source story: day-1492b-2026-04-02