The move gives Kim Jong-un, the leader of North Korea, leverage to ask President Vladimir V. Putin of Russia for a lot in return.

The U.S. and its ally South Korea say 3,000 North Korean troops have been deployed to Russia, with the total expected to reach 12,000. Ukrainian President Volodymyr Zelenskyy said Friday in a...

North Korea's foreign minister arrived in Russia on Tuesday for talks as the Russia-Ukraine war appeared to take a dangerous new turn, with NATO and South Korea expressing alarm that North Korean ...

North Korea and Russia have pledged to use all available means to provide immediate military assistance in the event the other is attacked, according to the text of a new landmark defense...

WASHINGTON (AP) — The U.S. said Wednesday that 3,000 North Korean troops have been deployed to Russia and are training at several locations, calling the move very serious and warning that those forces will be “fair game” if they go into combat in Ukraine.

The deployment of 10,000 or so North Korean troops to Russia marks a sharp escalation and internationalization of Europe’s biggest war in generations, with potential impacts on the...

KYIV, Ukraine (AP) — The Biden administration said Thursday some 8,000 North Korean troops are now in Russia near Ukraine’s border and are preparing to join the fight against Ukrainian troops in coming days – a potentially serious escalation of the nearly 3-year-old war.

North Korea has started sending troops to fight with Russia in Ukraine, South Korea's spy agency has said as Seoul warned of a "grave security threat". The allegation comes a day after...

Vladimir Putin has left North Korea by plane, and his visit has come to an end, according to the Russian state-owned news agency Tass. Kim Jong Un accompanied him all the way to steps of...