The fire occurred on the territory of the enterprise in Ryazan, where the air defense system reflects a massive UAV attack, said the governor of the Ryazan region Pavel Malkov.
"A massive UAV attack is reflected in Ryazan, air defense is working. There was a fire on the territory of one of the enterprises," Malkov wrote in his channel on the Maks platform.
He added that operational services are working on the spot.