Russia’s top security agency says that it has arrested several suspects accused of involvement in an alleged Ukrainian plot to assassinate senior military officers.

Russia is willing to work with Donald Trump's incoming administration to improve relations if the U.S. has serious intentions to do so but it is up to Washington to make the first move, Foreign Minister Sergei Lavrov said on Thursday.

Russia declared a federal emergency on Thursday over an oil spill caused by two Russian tankers in the Black Sea, the Emergencies Ministry said.

Russia launched aerial attacks on Ukraine’s energy sector “on a massive scale” overnight into Wednesday, local authorities said, with explosions reported across the country amid intensified bombardments that have left Ukraine in a precarious position while the war grinds into a third winter.

Russia's economy will be under major strain in 2025, economists told BI. One said stagnation was similar to the USSR at the start of the 1980s.

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

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.

An Azerbaijan Airlines plane crash on Christmas Day has prompted speculation the plane was shot down by Russia after it took a detour of hundreds of miles in the wrong direction and crash-landed with holes in the fuselage.

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.