Explosions were heard in Rostov and Voronezh, a fire broke out at the Ryazan oil refinery

On the night of May 1, explosions occurred in Rostov-on-Don, Ryazan and Voronezh (Russian Federation). This was reported by Censor.NET with reference to Russian Telegram channels.

At about 02:20 local time, an explosion occurred in Voronezh. Regional Governor Alexander Gusev said that a drone was discovered over the region, which was shot down by air defense forces and electronic warfare equipment. There were no preliminary casualties or damage.

Local residents also reported explosions in Rostov. However, no official information was received.

Already in the morning of May 1, explosions thundered in Ryazan. Drones attacked an oil refinery.

The region's governor, Pavel Malkov, confirmed the attack, saying that one drone was allegedly shot down. The official did not announce the number of UAVs that flew to the Ryazan Oil Refinery. However, a video of the fire appeared online.
What is known about the Ryazan Oil Refinery?

The Ryazan Oil Refinery is under the control of Rosneft. The bulk of petroleum products are exported.

The stated maximum possible processing volume of the refinery: 17-18 million tons of oil per year.

Let us remind you that, according to Politico, attacks by Ukrainian drones on Russian oil refineries caused a rapid increase in diesel fuel prices in the Russian Federation.