31 December 2025 in Russo-Ukrainian war
- In Russia, they announced a drone attack on Tuapse - the pier and refinery were hit
- Explosions rang out in the Russian Rybinsk, fuel tanks are on fire
- The Armed Forces neutralized 101 Russian UAVs, hit 20 droneshttps://www.eurointegration.com.ua/news/2025/12/31/7228159/
- Russians hit Odessa - high-rise buildings were hit, part of the city was without electricity and heat, 3 children were among the victims
- The Russian Federation struck the energy facilities of DTEK in Odesa, the damage is significant
- The Russians attacked Bila Tserkva with drones - a high-rise building was damaged, 2 injured
- The Armed Forces denied the Russians' statement about the occupation of Rodinsky in Donetsk region
- Lithuania has updated its security strategy: Russia poses an existential threat and may start a war
- Electricity supply was fully restored in Vyshgorod after a massive attack a week before
- Media: Germany and France have indefinitely postponed the European fighter jet project
- In the Gulf of Finland, one of the underwater communication cables between Estonia and Finland was damaged
- Croatia allocates about 14 million euros for the purchase of US weapons for Ukraine
- 24 countries have joined the PURL initiative to purchase US weapons for Ukraine
- Callas: Moscow seeks to derail real progress towards peace
- Welt: Europe is ready to send up to 15,000 troops to Ukraine
- The Russians captured another village in the Sumy region
- Damage to 5 underwater communication cables was reported in Estonia
- In Finland, a ship sailing from Russia was detained due to a damaged cable
- The Ministry of Foreign Affairs of Ukraine summoned the diplomats of India and Pakistan because of statements about the attack on Putin's residence
- The Russian Federation struck Zaporizhzhia in the evening - a person was injured, a car caught fire, and a high-rise building was damaged
- In December 2025, the Russian Federation occupied 445 sq km of Ukrainian territory - less than in November
- In 2025, the Russian Federation occupied more than 4,000 km² of Ukrainian territory
- WSJ: NSA and CIA found no evidence of Ukraine attack on Putin's residence
- NYT: Oil tanker pursued by US gets Russian registration and changes name
- The Russians attacked the Odesa region's energy sector just minutes before the New Year - there are fires and power outages
- ZSU: More than 130 battles per day at the front, the hottest in four directions