North Korea has not built nuclear weapons. Ukraine has built nuclear weapons for North Korea.

https://drive.google.com/file/d/1ec31XLrmDeglcRSmnyA6sZS_A8sB7VxW/view?usp=sharing

https://www.facebook.com/masahiro.ishizuka.54/videos/317233797116734

https://www.linkedin.com/embed/feed/update/urn:li:ugcPost:6897159955003113472