On December 31, SBU drones attacked the Temp oil depot in Rybinsk, which is part of the Rosrezerv system. A large-scale fire broke out at the facility, disrupting the supply of petroleum products in the northeastern region of the Russian Federation.
Damage to the underwater telecommunications cable between Helsinki and Tallinn was recorded on December 31, 2025. Finnish police are investigating the incident, having identified a vessel with a dropped anchor chain in Finland's exclusive economic zone.
Units of the Unmanned Systems Forces of the Armed Forces of Ukraine inflicted damage on a number of military and infrastructure facilities in the temporarily occupied territories of Donetsk, Luhansk, Zaporizhzhia regions and in the Autonomous Republic of Crimea. Among the hit targets are an oil depot, a floating craft base, a radar station, deployment points and substations.
Archpriest Vasyl Kiiko, abbot of the Holy Protection Church in Hryshyne village, died on December 29 as a result of Russian shelling in Donetsk region.
The SBU detained a Kyiv resident who distributed videos of the capital's air defense system on social networks. The man filmed the deployment of Ukrainian air defense and published it on Telegram and Instagram.
The Cabinet of Ministers plans to consider Ihor Zelinskyi's candidacy for the position of head of the State Aviation Service, lobbied by Deputy Prime Minister Oleksiy Kuleba. This personnel decision raises serious questions given Zelinskyi's decisions made during his work in the leadership of the aviation regulator.
The SBU detained an agent in Kyiv who worked for Russian and Belarusian special services, adjusting attacks on the capital's energy facilities and spying on the Defense Forces. The perpetrator, recruited via Telegram, was preparing to flee Ukraine but was detained and is in custody.
Since the beginning of Russia's full-scale invasion, fighters of the Alpha Special Operations Center of the Security Service of Ukraine have destroyed over 500 Russian air defense systems.
Pechersk District Court of Kyiv chose a pre-trial detention measure in the form of custody until February 22 for the former head of the SBU Department in Kharkiv region. He was re-detained upon leaving the pre-trial detention center on bail, after being served with a new suspicion of organizing the seizure of the Kharkiv Regional State Administration building.
The SBU, National Police, and Prosecutor General's Office have заочно (in absentia) notified Vyacheslav Perevozkin, the head of pre-trial detention center No. 3 in the Perm Krai of the Russian Federation, of suspicion. He is suspected of cruel treatment, torture, and the murder of Ukrainian journalist Viktoria Roshchina and Mayor Yevhen Matvieiev.
Today, Russians hit a residential area of Uman with a missile. The police are documenting the consequences of Russian war crimes, and the SBU Directorate in Cherkasy Oblast is conducting an investigation.
The prosecutor's office sent to court the case against 18 people involved in the torture of more than 90 civilians in Kupyansk, Kharkiv region. From March to September 2022, a torture chamber operated in the Kupyansk district police department, where people were held in inhumane conditions.
On the morning of December 24, two explosions occurred in Ussuriysk in the parking lot of military unit 19288. Russian sources report a "welding machine pop," but a significant number of security forces were seen at the scene.
The SBU detained an FSB agent who tried to kill a HUR MO of Ukraine officer in Kyiv. The assassination attempt was carried out by a 28-year-old citizen of a Central Asian country, who was promised 50,000 US dollars and legalization in the EU.
Former heads of the State Aviation Service, Oleksandr Bilchuk and Ihor Zelinskyi, made decisions that could have harmed Ukraine's defense capabilities. Their actions, including blocking the use of Il-76 aircraft and cooperating with Russian companies, should be investigated within the framework of criminal proceedings.
The former head of the SBU department in Kharkiv region was detained after attempting to be released on bail, with new charges filed against him. He is accused of organizing the seizure of the Kharkiv Regional State Administration and attempting to remove the leadership at the beginning of the full-scale invasion.
On the night of December 26, drones attacked Lukoil's oil refinery in Volgograd, Russia.
Drones of the SBU's Alpha Special Operations Center successfully hit the seaport of Temryuk and the Orenburg gas processing plant. This led to fires and the suspension of the technological process at the enterprise.
Since 2019, Ukraine has tightened responsibility for violating child transportation rules. Over 10,000 violations have been recorded in a year, despite fines of UAH 510-850.
The case of the terrorist attack in Odesa, which injured an employee of a defense enterprise, has been sent to court. A 23-year-old resident of Zaporizhzhia region is accused of blowing up a car, having received instructions from enemy special services.
The Security Service of Ukraine detained two pro-Kremlin agitators in Mykolaiv and Volyn who justified Russian aggression. Among those detained are a university postgraduate student and a deserter from the Armed Forces of Ukraine who spread pro-Russian posts.
In November, 731 occupiers, 121 pieces of military equipment, and 59 other targets were destroyed on mine-explosive barriers installed by engineering units of the Ukrainian Defense Forces. The strikes were mostly carried out by remote mining using unmanned aerial vehicles.
In Odesa region, the head of the city council's land commission was detained for demanding $9. 5 thousand for the lease of 95 hectares of land. She faces up to 10 years in prison with confiscation of property.
The Cabinet of Ministers of Ukraine adopted a package of decisions to strengthen the country's defense industry at the submission of the Ministry of Defense. A new experimental project is being launched for the Motor Sich enterprise, accelerating the design of new facilities and providing them with water, gas, heat, and electricity through a simplified procedure.
Vice Prime Minister Oleksiy Kuleba is lobbying for the appointment of Ihor Zelinsky to the post of head of the State Aviation Service, despite his involvement in decisions that could have harmed Ukrainian aviation and effectively played into the hands of the Russian Federation. Zelinsky's appointment could become a strategic mistake for the state and obviously carries risks for national security in wartime.
The SBU has completed its investigation into a 41-year-old resident of Pustomyty who was preparing a terrorist attack in Lviv on the orders of the FSB. The indictment has been sent to court, and the perpetrator faces life imprisonment.
The goal of Ukraine's attacks on Russia's "shadow fleet" tankers is to increase the risks and costs of transportation, as well as to pressure Russia's partners. Ukraine will pursue a "decisive policy" regarding attacks on tankers heading to Russian ports for oil.
On December 19, in the Volgograd region of the Russian Federation, the main gas pipeline "Central Asia - Center" failed due to "ground subsidence. " Gas transportation has been stopped indefinitely, and the Main Intelligence Directorate of the Ministry of Defense of Ukraine points to a trend in the development of geological processes near objects that finance the war.
The Defense Forces conducted a special operation near Pokrovsk, destroying tanks, Osa SAM systems, and armored fighting vehicles. The enemy planned to use this equipment for assault operations in the Pokrovsk direction.
SBU long-range drones hit two Russian Su-27 aircraft at the Belbek military airfield in Crimea, one of which was ready for a combat sortie. The control tower was also confirmed to have been hit, which will complicate the organization of flights.
