Russian authorities on Thursday closed all four of Moscow's airports, plus a fifth one in a city about 100 miles southwest of the country's capital, citing unspecified safety concerns.

"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.

All four of Moscow’s airports have been temporarily closed without any reason given, according to Russia’s aviation watchdog. ‘Aircraft crews, air traffic controllers and airport services are taking all necessary measures to ensure flight safety,

North Korean soldiers fighting for Russia were given fake military documents with Russian names and birthplaces, the Ukrainian military said, amid claims from Kyiv that Russia is trying to conceal the presence of foreign fighters on the battlefield.

The Democratic People’s Republic of Korea has, for the first time, sent combatant units abroad, to aid Russia in the war in Ukraine. As noted in the Joint Statement on the DPRK’s Deployment of Troops to Russia this development indelibly connects the Indo-Pacific and European theaters,

A letter from a North Korean soldier who died while deployed in Russia’s war against Ukraine was released by Ukraine’s Special Operations Forces on Christmas Eve. The handwritten note reportedly found on the body of the fallen soldier in Russia’s Kursk region offers a glimpse into the soldier’s emotional state.