25 December 2025 in Russo-Ukrainian war
- Russia announced a drone attack on Moscow
- Russia announced an attack by more than 140 Ukrainian drones overnight
- Drones attacked a port in the Krasnodar region of the Russian Federation - a large-scale fire broke out
- Due to the attack of drones in the Russian Federation, the refinery in Orenburg and oil in the port of Temryuk are on fire
- Air defense destroyed 106 Russian UAVs at night, but 15 locations in Ukraine were hit
- In Sumy Oblast and Kherson Oblast, 8 people were injured due to shelling by the Russian Federation
- At night, the Russian Federation struck the port infrastructure of the Odesa region - one person was killed and injured
- Kernel reported on the night attack of the Russian Federation on the plant in Chornomorsk
- In Poland, a Russian plane was intercepted at night and the sky was covered by weather probes from Belarus
- Armed Forces: The Russian Federation is unable to advance deep into Ukraine in Hrabovsky, Sumy Oblast
- Russians attacked the evacuation mission in Kostyantynivka with a drone - one person died, two were injured
- In Chernihiv, an enemy drone hit a high-rise building, there were dead and wounded
- The refinery in Novoshakhtinsk was hit by ZSU with Storm Shadow missiles
- The Ministry of Foreign Affairs of the Russian Federation stated that the negotiations on the end of the war are slow, but moving forward
- The Pope mentioned Ukraine in his first Christmas message
- American senators from both parties condemned Russia's Christmas attacks on Ukraine
- The Russian army attacked Zaporizhzhya district with aerial bombs, four people were injured
- In Kazakhstan, more than 700 cases were opened against those fighting for Russia during the year
- The FSB of the Russian Federation reported that two Ukrainians were killed during detention in a week
- The Russian army attacked a critical infrastructure facility in the Volyn region