Systematic and repeated attacks by Russian armed forces on Ukraine’s energy infrastructure caused extensive disruptions to electricity, heating, and water across the country, affecting millions, as temperatures consistently remained below freezing. Conflict-related violence killed at least 161 and injured 757.
Civilian casualties in December 2025 remained high, with at least 157 killed and 888 injured. The number of casualties in December was similar to the casualty numbers in recent months, but a 66 per cent increase compared with December 2024 (109 killed; 522 injured).