Ukrainian domestic intelligence services (SBU) attacked three oil refineries in Russia with drones last night: in the Ryazan, Nizhny Novgorod and Leningrad regions. According to the source, these attacks are the continuation of a series of special operations against Russian refineries aimed at "reducing the economic potential of the Russian Federation" The sites targeted during the night are located in the city of Ry Kazan, in the region of the same name, in Kstovo and Kirishy.