Ukrainian defenders attacked three oil refineries in Russia with drones. Meanwhile, EU ambassadors agreed on 5 billion euros for weapons for our Ukraine. RBC-Ukraine has gathered the main news for March 13. Ukrainian drones attacked three refineries in Russia at night Last night, Ukraine attacked three oil refineries with drones simultaneously. Oil refineries were attacked in Ryazan, Kstovo, Nizhny Novgorod region, and Kirishi, Leningrad region. According to the source, these attacks continue a series of special operations against enemy oil refineries previously initiated by the Security Servi…