The U.N. Security Council is holding its second emergency meeting in a week about North Korea on Monday after a powerful nuclear test explosion added another layer of urgency for diplomats wrestling with what to do about the North's persistent weapons programs.
North Korea on Sunday threatened to sink an American aircraft carrier that is beginning joint drills with two Japanese destroyers in the western Pacific Ocean.
Satellite photos taken over North Korea have prompted fears the country is planning fresh nuclear bomb tests.
North Korea has released a video showing what the country says to be a successful submarine-launched ballistic missile test last month. It comes two days after Pyongyang announced to have tested its newly developed miniaturized hydrogen bomb.
The White House says the United States, South Korea and Japan have agreed to launch a “united and strong” response to North Korea’s claim of a successful hydrogen bomb test.
North Korea said Wednesday it had successfully carried out its first hydrogen bomb test, marking a major step forward in its nuclear development, if confirmed.
North Korean Leader, Kim Jung-un has said that they have hydrogen bomb and defend their country’s sovereignty and national dignity by mighty nuclear and hydrogen strikes.