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

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

Russia attacked Ukraine's energy system and some cities with cruise and ballistic missiles plus drones, Ukraine's President Volodymyr Zelenskiy said.

Kharkiv is under massive rocket fire" with "ballistic missiles heading towards the city" mayor Igor Terekhov warned.

Russia launched a major drone and missile assault that led to power cuts and outages across Ukraine over the holiday

Kyiv residents took shelter at metro stations on Wednesday (December 25) after the Ukrainian military launched a countrywide air alert in response to Russian cruise missile launches. Families with children and pets sat or slept on mats inside the metro in early hours of Christmas morning.

Russia launched another large-scale attack on Ukraine with missiles and drones early on Christmas Day, seemingly aiming to trigger blackouts across the country. Strikes hit multiple cities, killing at least one person,