Russia-Ukraine war: List of key events, day 1,399
On December 24, 2025, marking day 1,399 of the Russia-Ukraine war, Russia launched a "massive attack" on Ukraine, targeting 13 regions with drones and missiles, resulting in casualties and damage to energy infrastructure. Ukrainian President Zelenskyy reported three deaths, including a child in the Zhytomyr region, and multiple injuries across the country.

Briefing Summary
AI-generatedOn December 24, 2025, marking day 1,399 of the Russia-Ukraine war, Russia launched a "massive attack" on Ukraine, targeting 13 regions with drones and missiles, resulting in casualties and damage to energy infrastructure. Ukrainian President Zelenskyy reported three deaths, including a child in the Zhytomyr region, and multiple injuries across the country. Emergency power outages were implemented in several regions due to the targeting of energy infrastructure, with the situation being most difficult in border regions. Ukrainian troops withdrew from the Siversk area of the Donetsk region due to heavy fighting. Meanwhile, Ukraine claimed its F-16 fighter pilots shot down 621 of 673 Russian aerial targets. In Russia's Belgorod region, Ukrainian drone strikes resulted in fatalities and injuries.
Article analysis
Model · rule-basedKey claims
5 extractedA Ukrainian drone strike on a car killed three men in the Belgorod region on Monday.
Ukrainian troops have withdrawn from the Donetsk region’s Siversk area after heavy fighting.
Ukraine’s Ministry of Energy said that “emergency power outages” were introduced in several regions across the country due to Russian forces targeting energy infrastructure.
Those killed in the overnight attack included a four-year-old girl in the central Zhytomyr region.
Russian forces began a “massive attack” on Ukraine on Monday night, killing three people and targeting 13 regions with 650 drones and 30 missiles.