Overnight, explosions were heard in Russia's Ufa. Locals reported a drone attack and a fire at the local refinery. Russia's Emergencies Ministry later said they had allegedly managed to put out the fire. Authorities claim that the fire broke out on the territory of the plant in the area of the incinerator.

(Reuters) -Firefighters doused a blaze that raged for hours at the Ufimsky oil refinery in the Russian city of Ufa, authorities said on Monday, but gave no details of possible casulties and the cause was not immediately clear.