4 January 2025 in Russo-Ukrainian war
- Russian drones attacked regions of Ukraine at night
- Air defense of Ukraine shot down 34 out of 81 enemy UAVs
- The head of the European Council at the start of the Polish presidency in the EU: Ukraine must remain a priority
- The Ministry of Defense of the Russian Federation announced a drone attack on five regions of Russia
- The Russian St. Petersburg airport has introduced restrictions on the reception and departure of flights
- In the morning, the Russians attacked the suburbs of Kherson with drones, four civilians were injured
- The Russians hit Nikopol with "Grad" and a drone, hit the territory of the State Emergency Service
- The drones attacked the largest sea trade port in the Russian Federation, Luga, near St. Petersburg
- Portugal monitors 5 Russian warships near its shores
- Poland is developing civilian evacuation plans in case of war and natural disaster
- Most of the fighting takes place in the Pokrovsky direction
- Mass media: Ukraine loses up to 20 km² of territory per day, the Russians seized 3,600 km² in a year
- An attack on a high-rise building in Sumy Oblast, the number of victims has increased to 10
- Denmark is investigating reports of the appearance of 20 drones over the port
- Telegraph: FPV drone racing is officially recognized as a sport by the British Armed Forces
- Russians attacked the border of Chernihiv region, at least 7 wounded
- In Toretsk, the front line passes through the center of the city
- The Russians advanced to Toretsk and 5 other settlements in Donetsk region
- During the day, the Defense Forces of Ukraine destroyed 1,730 invaders