North Korea's nuclear test triggers international push for sanctions

The United States, South Korea and Japan said Thursday they would push for stronger international sanctions on North Korea, a day after Pyongyang said it had carried out a fourth nuclear test.

How important is North Korea's latest nuclear test?

North Korean leader Kim Jong Un has led his country into further controversy by claiming to have carried out a fresh nuclear test.

NATO chief slams North Korea nuclear test, "inflammatory" rhetoric

NATO Secretary General Jens Stoltenberg criticizes Noth Korea's announced nuclear test, saying it "undermines regional and international security" and is in "clear breach" of UN Security Council...

Worldwide anger over North Korean nuclear test

North Korea said Wednesday it had successfully conducted a fourth nuclear bomb test, leading to fury from its regional neighbours and condemnation from around the world.

EU: Nuclear test is "grave violation" of North Korea's obligations

EU foreign policy chief Federica Mogherini condemns North Korea's alleged hydrogen bomb test as a "grave violation" of the country's nuclear obligations, and calls it a "threat to the peace and...

The H-bomb: the most destructive weapon on earth

The first hydrogen bomb, tested in November 1952 by the United States, yielded energy equivalent to 10 megatons of TNT - roughly 1,000 times larger than the atomic bomb dropped on Hiroshima seven...