Ukrainian President Volodymyr Zelenskyy said in a social media post on Sunday morning that “hundreds of thousands” of Ukrainians were without electricity.

Ukraine has used long-range drones to attack Russian oil platforms as it expands its strikes on the country's energy sector.

Ukraine claims it has carried out the first successful combat strike by an underwater drone against a submarine, damaging a Russian Kilo-class boat in the Black Sea port of Novorossiysk and potentially removing a key cruise missile launch platform from the war.

Russia's foreign ministry said on Thursday that an International Claims Commission for Ukraine launched by some European powers had no legal force for Russia and was driven by an attempt by European countries to spread propaganda against Russia.

Ukrainian forces counterattacked near Lyman in Donetsk Oblast, destroying what they described as an entire Russian regiment — a unit that can number roughly 2,000 troops on paper — and improving their positions,

On December 19th, Russian forces launched air strikes with guided aerial bombs on the Ukrainian city of Zaporizhzhia, injuring at least six civilians and damaging a residential area, according to the local authorities.

Under post-ceasefire guarantees provided by the United States and Europe to Ukraine, peacekeepers could in certain circumstances repel Russian forces, German Chancellor Friedrich Merz told ZDF public television in an interview,

Russian Deputy Foreign Minister Sergey Ryabkov told ABC News during an exclusive interview in Moscow on Monday that he believes the warring parties are close to a deal.