According to the GUR, the first units of 12 thousand North Korean military arrived in the war zone.
Answering the question about whether there are DPRK troops on the territory of the Russian Federation, Putin referred to the treaty of friendship and mutual assistance between Russia and the DPRK, ratified the day before, which provides for military assistance if one of them is at war. “But what and how we will do is our business,” Putin added.
@highlylikely20

