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💥 USF strike the largest oil refinery in northern russia

On the night of 12 December, operators of the 1st Separate USF Center (@14reg_army ) successfully hit a strategic enemy facility — the Yaroslavl Oil Refinery.

Slavneft–YANOS, with a design capacity of 15 million tonnes… pic.twitter.com/M6H1RdTNWz

— 🇺🇦 Unmanned Systems Forces (@usf_army) December 12, 2025

Ukrainian drones struck Russia’s Slavneft-Yanos oil refinery in Yaroslavl overnight, one of the country’s largest, processing over 15M tons of oil annually.

The strike triggered multiple explosions and a major fire. FSB has cordoned off the site, while traffic in Yaroslavl hit a… pic.twitter.com/IwyFqnWLae

— NOELREPORTS 🇪🇺 🇺🇦 (@NOELreports) December 12, 2025