Ukraine claimed Saturday to have struck one of Russia’s largest oil refineries in a drone attack, starting a fire at the facility more than 700 miles into Russian territory.

Russian government has alleged that Ukraine launched drone attacks across its several regions, striking two residential houses in the Tambov region and injuring no fewer than three people. The regional head,

"This is not the first time this refinery has been hit," a Ukrainian official said of the Taneco oil refinery.

Unrestful night in Russia and in the territories of Ukraine occupied by it. Sounds of explosions were heard in Voronezh, Crimea, Anapa, Belgorod, Saratov, and Lipetsk. In the videos shared online, drones can be heard approaching and explosions can be seen.