The Security Service of Ukraine and the Special Operations Forces of the Armed Forces of Ukraine conducted a joint operation on the night of January 24, 2025, striking objects involved in providing support to the Russian occupation army.

"Thus, as a result of the strikes, fires broke out at the production facilities of the Ryazan Oil Refinery and at the Ryazan oil pumping station," the General Staff of the Armed Forces of Ukraine reported in the Telegram channel.

In addition, the Kremniy El microelectronics plant in Bryansk was struck.

"This is one of the key enterprises of the Russian microelectronic industry. The plant produces a wide range of microcircuits and components used in strategically important weapons systems. In particular, in the Topol-M and Bulava missile systems, the S-300 and S-400 anti-aircraft missile systems, as well as in the on-board electronics of combat aircraft," the report states.

As Interfax-Ukraine's sources in the SBU reported, at least three tanks are burning on the territory of the Ryazan Oil Refinery.

"Additionally, a fire caused by UAV strikes engulfed a workshop where a diesel fuel and aviation kerosene hydrotreatment unit is located. Local residents recorded on social networks that they counted more than 50 explosions," the report states.

It is noted that drones also attacked the Ryazan Combined Heat and Power Plant.