It comes just days after thousands of soldiers from Pyongyang were sent deep inside Russia to help Moscow win its bloody war against Ukraine.
Ukraine and its allies expect they will be deployed to assist Moscow's war effort.
Rustem Umierov, Ukraine’s Defence Minister, spoke with his American counterpart Lloyd Austin on Russia's involvement of the North Korean military in its conflict with Ukraine.
The U.S. expects some 8,000 North Korean troops that are now on Ukraine’s border to be sent into combat in the coming days