Ukrainian drones hit Russia's largest refinery, in one of deepest strikes yet

Ukrainian drones struck Russia's Omsk refinery, the country's largest and located deep in ​Siberia, in what would be one of the longest-ranged Ukrainian strikes ‌since the beginning of the war, Kyiv's military said on Monday, with local Russian authorities also confirming a strike.

In a statement, Ukraine's General Staff ​said that the strike had caused a fire at the ​Omsk refinery, which is located around 2,700 km (1,700 miles) ⁠from Ukrainian-held territory and close to Russia's border with Kazakhstan.

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Ukraine has been escalating a campaign of strikes against Russian oil refineries, causing sometimes acute fuel ​shortages across the country's ​11 time ⁠zones.