"To ensure the safety of civil aircraft flights, temporary restrictions have been introduced on the operation of Sheremetyevo, Domodedovo, Vnukovo, Zhukovsky and Kaluga airports," Rosaviatsiya said on Dec.

Russia's aviation authority announced on Thursday the temporary closure of five airports, including all four Moscow airports and one in Kaluga, located 160km southwest of the capital. The aviation watchdog Rosaviatsia did not provide a reason for the closures.

Five months after their shock offensive into Russia, Ukrainian troops are bloodied by daily combat losses and demoralized by the rising risk of defeat in Kursk.

After a surprise offensive earlier this year, Ukraine’s forces have lost about half the territory seized in Russia’s Kursk region and may lose the rest in a matter of months, according to US officials,

Five months after their shock offensive into Russia, Ukrainian troops are bloodied and demoralised in the battle for Russia's Kursk region.View on euronews

Russian Deputy Foreign Minister Sergei Ryabkov said Moscow is considering taking steps to resume nuclear tests. He made the warning while cautioning President-elect Donald Trump against resuming nuclear testing next year in an interview with the Russian newspaper Kommersant.

Russia's point man for arms control cautioned Donald Trump's incoming administration against resuming nuclear testing, saying Moscow would keep its own options open.

Moscow has warned Donald Trump against resuming the testing of nuclear weapons when he takes office, saying it would “not rule anything out” in response to US aggression.

Speaking to Russian media, Ambassador Igor Morgulov said plans for several bilateral events were being "drawn up" but that Xi’s trip was a priority.

Chinese President Xi Jinping will visit Russia in 2025. He has met with Vladimir Putin multiple times since Russia's invasion of Ukraine, according to Reuters. "What can be said that is no secret, in terms of priority,