Deep-strike (long-range) units of Ukraine's Special Operations Forces (SOF), working with the Unmanned Systems Forces and other defence forces units, struck Russia's fourth-largest oil refinery, the Kstovo Refinery (also known as Lukoil-Nizhegorodnefteorgsintez), on the night of 25-26 August.
Source: General Staff of the Armed Forces of Ukraine; Special Operations Forces
Quote: "On the night of 25-26 August 2026, units of Ukraine's defence forces struck facilities at the Lukoil-Nizhegorodnefteorgsintez oil refinery in Kstovo, Nizhny Novgorod Oblast, Russia.
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A strike on the target has been confirmed, followed by a fire at the refinery."
