An oil refinery in the Tyumen region of western Siberia fully halted crude oil processing and petroleum product output following a drone attack this weekend that damaged secondary processing units, two industry sources told Reuters.

Ukrainian drones struck the Tyumen oil refinery 2,000 km inside Russia, disrupting energy infrastructure with implications for oil prices and

Russia’s Tyumen oil refinery in western Siberia halted oil processing on July 25 following a Ukrainian drone attack, two industry sources said on Tuesday.