North Korea fires missiles in anger at South-US military drills

 North Korea fired two missiles into the sea and vowed "merciless" retaliation Monday as the US and South Korea kicked off joint military drills denounced by Pyongyang as recklessly confrontational.

No sign of North Korea nuclear test preparations: US think tank

North Korea is showing no signs of preparing for a new nuclear test, a US think tank said Friday, citing recent satellite imagery.

North Korea hints at nuclear test moratorium

North Korea has told the United States that it's willing to impose a temporary moratorium on its nuclear tests if Washington scraps planned military drills with South Korea this year, the North's official news agency said today.

South Korea warns of stern response to North's N-threat

South Korea on Thursday warned North Korea, saying that it would face a stern response from the international community if it conducts another nuclear test.

'US feared India would follow China in conducting nuke tests'

Amid reports that China was planning to conduct nuclear tests, the US in early 1960s feared that neighbouring countries like India would follow suit and it directed its officials to address India's security concerns, according to newly declassified documents.

EU deeply concerned by threat of North Korea nuclear test

The EU said today it was "deeply concerned" about the threat of a new nuclear test by North Korea, which has stepped up activity at one of its main test sites.

North Korea may be close to developing nuclear missile, some say

North Korea, which this month threatened to carry out a fourth nuclear test, may be closer than previously thought to putting a nuclear warhead on a missile, some experts say, making a mockery of years of U.N. sanctions aimed at curbing such a programme.

China "uses channels" to warn North Korea against nuclear test: Sources

China has used diplomatic channels to warn North Korea against conducting a fourth nuclear test, multiple China-based diplomatic sources told Reuters, after the reclusive state renewed its threat of "counter-measures" against perceived U.S. hostility.

Indonesia hosts conference on n-test ban

A two-day conference on nuclear test ban for Southeast Asia and Pacific Far East regions commenced Monday in Indonesia, attracting 50 experts from 21 countries.

`Imminent` North Korea nuclear test unlikely: US think-tank

Despite fears to the contrary, North Korea does not appear to be preparing an imminent nuclear test, a US think-tank said Wednesday in an analysis of recent satellite images of Pyongyang`s main test site.

North Korea preparing for 4th nuclear test: Seoul

North Korea is making final preparations to conduct its fourth nuclear test but may not do so, South Korea`s defence minister said today.

North Korea warns of `new form of N-test`

North Korea Tuesday threatened to carry out "a new form of nuclear test" in response to US President Barack Obama`s Asia tour.

Kim Jong-Un urges North Korea soldiers to ready for `impending conflict` with US

North Korean leader Kim Jong-Un has chided his soldiers, telling them to be ready for "impending conflict with the United States," Pyongyang media reported Saturday as satellites showed a nuclear test could be near.

North Korean N-threats useless, time for more sanctions: Obama

President Barack Obama says it may be time to consider further sanctions against North Korea "that have even more bite" as the country is threatening its fourth nuclear test.

North Korea `probably` preparing nuclear test: US think-tank

North Korea appears to be making preparations to conduct its fourth nuclear test, a US think-tank said Friday just hours before President Barack Obama arrives in South Korea for a visit.

North Korea seals nuclear test tunnel: Seoul official

North Korea has apparently sealed a tunnel at its nuclear test site, a government official said Thursday ahead of US President Barack Obama`s arrival in Seoul for a two-day visit.

US `closely monitoring` North Korea for feared nuclear test

The United States said today it was watching North Korea "very closely" following South Korean warnings that Pyongyang may be preparing a fourth nuclear test ahead of a visit to Seoul by President Barack Obama.

North Korea denounces US `double-standards`

North Korea today accused the United States of hypocrisy for remaining silent over a South Korean missile test while condemning Pyongyang`s recent launches.

Water woes endanger North Korea reactor, says US research institute

Washington: A US research institute says North Korea may have temporarily shut down a plutonium reactor earlier this year as it grappled with water supply problems that could threaten the safety of its nuclear complex.

Germany summons North Korean envoy over nuke threat

Berlin: Germany`s Foreign Ministry says it summoned North Korea`s envoy in Berlin over Pyongyang`s threat to carry out another nuclear test.