This was stated by Pentagon Deputy Spokesperson Sabrina Singh during a briefing, as reported by Ukrinform, citing AP.
"Some of the North Korean soldiers have already moved closer to Ukraine, Pentagon spokeswoman Sabrina Singh said, and were believed to be heading for the Kursk border region, where Russia has been struggling to push back a Ukrainian incursion," Singh said.
She also suggested that the full-scale deployment of North Korean forces and their involvement in combat on the side of Russia could occur within the next few weeks.
Read also: NATO Sec Gen confirms presence of N. Korean troops in RussiaEarlier, NATO Secretary-General Mark Rutte confirmed the presence of North Korean troops in Russia, labeling it a significant escalation.
According to the National Resistance Center, over 3,000 North Korean mercenaries who arrived in Russia's Kursk region have already begun training on-site.
Intercepted communications indicate that North Korean mercenaries are being transported to the front lines in trucks with civilian license plates.