"Ukraine was brutally attacked on Christmas Day," said Keith Kellogg, President-elect Donald Trump's pick for Ukraine and Russia envoy.

Ukrainians faced fresh Russian drone and missile strikes on energy infrastructure nationwide on Tuesday night into Christmas Day morning.

U.S. President Joe Biden said on Wednesday he had asked the Defense Department to continue its surge of weapons deliveries to Ukraine, after condemning Russia's Christmas Day attack on Ukraine's energy system and some of its cities.

Ukraine's air force says it detected 184 missiles and drones, causing damage to energy infrastructure across the country.

Russia launches a Christmas Day missile attack on Ukraine as the war enters its third year. NBC News’ Erin McLaughlin reports on the shifting battleground there and in Washington, D.C.

Russia attacked Ukraine's energy system and some cities in an "inhuman" Christmas Day assault, Ukraine's President Volodymyr Zelenskyy said.

Moscow again struck Ukraine’s energy infrastructure, part of an effort to wear down the country. “In the trenches, there are no holidays,” one man said.

Zelensky warns of greater military cooperation between Moscow and Pyongyang, including sending more troops and military equipment

Russia's natural-gas transit deal with Ukraine is set to expire soon, which would cut billions in revenue.

It's the season of giving, and a retired pastor has teamed up with Twin Cities firefighters for a special overseas delivery.

Russia sees no point in a weak ceasefire to freeze the war in Ukraine but Moscow wants a legally binding deal for a lasting peace that would ensure the security of both Russia and its neighbours, Foreign Minister Sergei Lavrov said on Thursday.