# Russia's Sibur petrochemical plant in western Siberia shut after drone attack, sources say

> **Open Intelligence Dossier** · First detected: 2026-08-11 21:07 UTC · Category: World

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*Canonical Source: https://pulse.byoviral.com/trend/2026-08-11/russia-s-sibur-petrochemical-plant-in-western-siberia-shut-after-drone-attack*