Overview
- The General Staff reported 110 engagements on December 23, citing 29 Russian attacks on the Pokrovsk axis and 16 on the Kostyantynivka direction, plus one missile strike, 41 airstrikes, 105 guided bombs, 5,584 loitering munitions and 3,210 shelling incidents.
- Ukrainian forces withdrew from Siversk to save personnel and maintain unit effectiveness, while retaining fire control over the city and striking Russian elements and logistics inside it.
- The SBU said it disabled a Russian Il‑38N maritime patrol aircraft at Yeysk to enable a subsequent naval operation that critically damaged a Kilo‑class submarine in Novorossiysk port.
- The Energy Ministry reported prolonged power outages in frontline and border regions and said national consumption limits remain in place as repair crews work to stabilize the system.
- Chernobyl plant director Serhiy Tarakanov warned the New Safe Confinement was seriously damaged earlier this year and might not withstand another strike, estimating full restoration at three to four years.