File Photo: Bashneft refinery facility. Photo courtesy of Bashneft.
A Ukrainian drone crashed into one of Russia's largest oil refining complexes on Saturday, sparking a fire and causing minor damage, a Russian official said.
"Today, Bashneft's facility was subjected to a terrorist attack by aircraft-type drones. A fire broke out, which is currently being extinguished," the head of Russia's Bashkortostan region, Radiy Khabirov, said on Telegram.
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