All six of the North’s nuclear tests have been underground, containing the radioactive fallout. But experts who have been through the uncertainties of nuclear testing say there are risks all around, for Kim as well as his foes. It was in signed in 1963 by the United States, the Soviet Union and Britain. The United States, China and North Korea are among the holdouts, along with Egypt, India, Israel, Iran and Pakistan. The United States and China have adhered to its restrictions, even if neither has ratified it.

Source: Bangkok Post September 23, 2017 09:00 UTC