Ukrainian drones strike Russian energy plants and data centers; Russia claims to repel hundreds of drones

A suspected Ukrainian drone attack sparked a fire at an industrial facility in western Siberia's Khanty-Mansi autonomous district on October 16, marking a strike on energy infrastructure in Russia's largest oil-producing region. Ukrainian drones also targeted several regions of Russia overnight on October 16, including Moscow, the Moscow region, Vladimir, and the Rostov region, triggering explosions, fires, and temporary disruptions at all four major airports serving the Russian capital. Russia's Defense Ministry claimed to intercept 644 Ukrainian drones over 26 Russian regions and annexed Crimea overnight on October 16. President Putin acknowledged and vowed retribution for Ukrainian attacks on its data centers.