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Ukrainian Drones Ignite Lukoil Norsi Refinery, Damage Kstovo Tanks

5/21/2026

Summary

Story summary

Ukrainian drones struck Lukoil’s Norsi refinery and ignited fires at two Kstovo facilities shortly after the World II victory ceasefire ended.
Ukraine said the attack hit the refinery’s primary crude-processing unit, which can handle about 340,000 barrels per day.
The Norsi refinery, located roughly 440 km from Moscow, received no immediate comment from Lukoil.
Drones also damaged four reservoir tanks at the Yaroslavl-3 oil pumping station, affecting 140,000 cubic meters of storage.

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Story summary

Ukrainian drones struck Lukoil’s Norsi refinery and ignited fires at two Kstovo facilities shortly after the World II victory ceasefire ended.
Ukraine said the attack hit the refinery’s primary crude-processing unit, which can handle about 340,000 barrels per day.
The Norsi refinery, located roughly 440 km from Moscow, received no immediate comment from Lukoil.
Drones also damaged four reservoir tanks at the Yaroslavl-3 oil pumping station, affecting 140,000 cubic meters of storage.