The leader called last week's nuclear test "a self defensive step"
The 60-year-old says he has now 'gotten used' to the hard labour
A US Admiral called the flyover a 'demonstration of the ironclad US commitment to our allies in South Korea'
North Korea’s claim of a fourth nuclear test last week angered both the US and China, which was not given prior notice
The government in Pyongyang claims it successfully tested a thermonuclear device, calling it 'a great stride' for the country
The world’s last Stalinist state shows no sign of changing its strange, dangerous ways
The UN Security Council promised to pursue new sanctions against the isolated country
Kim Jong-un’s regime could be more 'rational and predictable' than the alternative, expert claims
If North Korea's claim to have developed and successfully a hydrogen bomb is true, it could threaten large swathes of the biggest superpowers in the world
North Korea has announced that it has tested a hydrogen bomb for the first time. It has run nuclear tests in the past — but the international reaction has been much more panicked this time than before.
“This North Korea news is not good for the market,” a Bank of Korea official said
How North Korea's state broadcasters broke the news of their reported hydrogen bomb test to its citizens
If verified, the test will be the fourth time the state has exploded a nuclear weapon
US Geological Survey reports a 5.1 magnitude quake 30 miles from the site where North Korea carries out nuclear tests
'If invasive outsiders and provocateurs touch us even slightly, we will not be forgiving in the least'
Kim Yang-gon was responsible for the country’s relationship with South Korea