North Korea is learning combat lessons fighting Ukraine, a US official said. It means the authoritarian state is more of a threat to its neighbors. North Korea has dispatched around 12,000 troops to fight for Russia.

North Korea has been under U.N. sanctions since 2006, and the measures have been steadily strengthened over the years with the aim of halting Pyongyang's development of nuclear we

North Korea’s Role in Russia’s War The United States has raised serious concerns about North Korea’s military cooperation with Russia in the ongoing conflict between Russia and Ukraine. The warning was issued after reports confirmed that North Korean soldiers are now fighting alongside Russian forces in Ukraine.