Overview
- Ukraine’s General Staff said drones hit the Temryuk seaport in Krasnodar Krai and the Syzran oil refinery in Samara Oblast overnight, reporting fires and damage under assessment.
- Russia launched 137 drones overnight, of which Ukraine intercepted 80, with 57 reaching targets in 13 locations, and officials reported a 12-year-old boy killed in Dnipropetrovsk region and multiple injuries elsewhere.
- Ukrenergo reported outages in Kharkiv, Dnipropetrovsk, Zaporizhzhia and Kherson regions, as Naftogaz said Kherson’s combined heat and power plant was almost completely destroyed, leaving about 40,500 customers without heat.
- Fighting remained intense with 167 combat engagements on Dec. 4, as Ukraine reported heavy pressure in the Pokrovsk sector, said it holds the city’s north, and described the defense of Kupiansk as stable despite Russian claims.
- Investigative mapping using Planet Labs imagery and Ukrainian data indicates over 50 strikes on Russian fuel and military‑industrial sites across autumn 2025, underscoring a sustained deep‑strike campaign.