In Ryazan, drones attacked an oil refinery. Eyewitnesses report a fire, according to the Telegram channel Baza. Eyewitnesses reported three drones striking the oil refinery. “According to local residents, three drones struck the plant,” the channel reports. The area of the fire at the Ryazan oil refinery is 100 square meters. “According to sources, the heat exchanger block unit is burning. Several fire crews have been dispatched to the scene,” Baza reported. Official information has not been received. Fires at oil refineries and oil depots in Russia Earlier, we reported that on March 12, a dro…