North Korea's work on nuclear weapons includes 'miniaturized' devices, UN report says
https://edition.cnn.com/2020/08/04/asia/un-north-korea-nukes-report-intl/index.html
Everytime US, South Korea, China, or Japan tries to negotiate North Korea several times, there is a small step toward peace. But, it's often the case with North Korea that the country goes ballistic soon after that without any evident reason. It means that North Korea is not willing to have good relationship with surrounding countries.
