5 December 2025 in Russo-Ukrainian war
- Armed Forces: Defense forces hit Syzran refinery and seaport in Krasnodar Krai
- The Russian Federation attacked 137 drones, of which air defense destroyed 80, there were hits in 13 locations
- The Russians massively attacked Chuguiv
- As a result of Russian attacks, 19 people were injured in Kherson region, Donetsk region, and Sumy region
- The Times: Britain offers to unfreeze 8 billion pounds of Russian assets for Ukraine
- The Russians advanced near Siversk and two more villages in Donetsk region
- The USA updated its national security strategy, in which it called the aggression of the Russian Federation a Ukrainian war
- Bloomberg: The US convinced EU countries to oppose the use of Russian assets for Ukraine
- Slovenia allocates €43 million for American weapons for Ukraine
- The FT included the Russian propagandist Simonyan in the list of the most influential people of 2025
- Reuters: Washington urges Europe to take over NATO's key defense capabilities by 2027
- Mertz: Ukraine, not the United States, should receive the frozen rockets
- In France, the military shot drones over a nuclear submarine base
- Russians attacked a truck in Kharkiv region and killed two men
- Denmark is significantly reducing military support to Ukraine
- Bloomberg: Disagreements regarding money for Ukraine have intensified in the leadership of Italy
- The European Commissioner assured that the EU will not return to energy carriers from the Russian Federation even after the end of the war
- Syrskyi: The Russians have concentrated more than 710,000 soldiers along the entire front line
- Estonian intelligence: Ukraine will fight difficult defensive battles in the coming months
- Ukraine and more than 40 countries in the OSCE have condemned the strikes of the Russian Federation on the energy infrastructure
- In Poland, they saw a positive in the new security strategy of the USA, which criticizes Europe
- Russian troops advanced in Donetsk region
- Armed Forces: Enemy losses minus another 1,180 Russian occupiers
- ZSU: Russians attacked Pokrovsky and another direction of the front almost 80 times