Efforts are continuing to restore services in Dnipropetrovsk, officials say, after wide-spread attacks in the southeast.

Russia warns Western forces deployed to Ukraine under postwar security deal would be "legitimate combat targets" as diplomatic tensions escalate.

Ukrainian President Volodymyr Zelenskyy said the agreements were “a signal of how seriously Europe and the entire coalition of the willing are ready to work for real security.”

The United Kingdom and France have agreed to deploy forces in Ukraine if it strikes a peace deal with Russia, British Prime Minister Keir Starmer said, in a renewed push by Western leaders to guarantee Kyiv’s post-war security and deter Moscow from further aggression.

Russia's overnight attack on Ukraine's energy infrastructure leaves nearly 800,000 homes without power amid freezing winter temperatures across the country.

Russia said that any troops sent to Ukraine by Western governments would be "legitimate combat targets", after Britain and France announced plans to deploy a multinational force there in the event of a ceasefire.

The Trump administration backs Ukraine security guarantees against Russia and says it hopes to acquire Greenland.

U.K. Prime Minister Keir Starmer said 'excellent progress' was made at a meeting of Ukraine's allies but cautioned that 'the hardest yards are still ahead,' noting that Russian attacks on Ukraine continue.

Ukraine’s allies praised major progress on a framework for international security guarantees designed to deter any future Russian attack, as part of efforts to end Moscow’s nearly four-year invasion.

Russian strikes late on Wednesday knocked out power supplies almost entirely in two regions of southeastern Ukraine, the energy ministry said.

President Trump indicated that he was ready to commit to the United States being involved in Ukraine’s future defense — but only, he said, because he was confident that Russia would not try to invade the country again.