The barrage struck homes and the power grid in 13 regions of Ukraine, causing widespread outages in bitter temperatures, Ukrainian President Volodymyr Zelensky said.

The town of Siversk had served as a stronghold in the portion of eastern Donetsk still under Ukrainian control. Moscow wants Kyiv to surrender the town as part of a peace deal.

Ukrainian forces say they have hit an oil terminal, a pipeline, two parked jet fighters, and two ships in a series of strikes on Russian soil

Russia has ordered a winter troop surge to break the stalemate in Ukraine, but Ukrainian drone attacks on logistics and resupply channels will undermine this offensive.

Apart from disagreements about peace efforts in Ukraine, Witkoff has been at loggerheads with Rubio and State Department officials about the way he handles security.

Peace talks between Russia and Ukraine reportedly proceed "constructively" in Florida even as deadly missile strike hits Odesa, killing eight people.

Ukraine said a resistance agent was able to sneak into a Russian hangar and destroy two Russian fighter jets.

Ukrainian security services have stepped up drone and sabotage operations against Russian combat aircraft and submarines this month, in what analysts see as one way to combat incessant Russian missile strikes against cities and energy infrastructure.

Like all of present-day Ukraine, the show — which is part of an international franchise — has had to deal with a multitude of wartime challenges, including frequent power outages.