China warned against "troublemaking" on its doorstep, in an apparent rebuke to North Korea, and the United States said it was postponing a missile test to help calm high tension on the divided Korean peninsula.
North Korea has moved what appears to be a mid-range Musudan missile to its east coast, South Korea's Yonhap news agency says, quoting multiple government sources privy to intelligence from US and South Korean authorities.
North Korea has closed access to a joint factory zone with South Korea, officials say, putting at risk $US2 billion a year in trade that is vital for an impoverished state with a huge army, nuclear ambitions and a hungry population.
The US-South Korean military exercises will continue until the end of this month, and the North Korean threats to do something terrible if they do not stop grow more hysterical by the day.
North Korea is both fascinating and scary.
South Korea's new president has vowed to strike back quickly if North Korea stages any attack, but the United States said it has seen no worrisome mobilization of armed forces by the North Koreans despite their bellicose rhetoric.
The White House says it takes North Korea's latest sabre-rattling threats seriously while cautioning that Pyongyang has a long history of bellicose rhetoric.
North Korea said today it was entering a "state of war" with South Korea in a continuing escalation of angry rhetoric directed at Seoul and Washington, but the South brushed off the statement as little more than tough talk.
Dennis Rodman, the former NBA star known more for his body piercings and tattoos than international diplomacy skills, has returned from North Korea with a message from its leader Kim Jong-un for President Barack Obama - "call me".
The White House has denounced threats by North Korea to carry out further rocket launches and a nuclear test as "needlessly provocative," saying such actions would violate UN resolutions and increase Pyongyang's diplomatic isolation.
North Korea has warned the top US military commander stationed in South Korea that his forces would "meet a miserable destruction" if they go ahead with scheduled military drills with South Korean troops, North Korean state media said.
North Korea has conducted a nuclear test today, South Korea's defence ministry said, after seismic activity measuring 4.9 magnitude was registered by the US Geological Survey.
The UN Security Council is united on North Korea's nuclear arms programme and will undoubtedly approve tough measures against Pyongyang if it carries out a new atomic test as expected, South Korean UN Ambassador Kim Sook says.
A North Korean man has been executed after murdering his two children for food, media are reporting today.
North Korea has threatened to attack rival South Korea if Seoul joins a new round of tightened UN sanctions, as Washington unveils more of its own economic restrictions following Pyongyang's rocket launch last month.
The UN Security Council has condemned North Korea's missile launch and will continue discussions on how to respond to Pyongyang's violations of a UN ban on North Korean ballistic missile development, the council president said.
North Korean leader Kim Jong-un has called for an end to confrontation between the two Koreas, technically still at war in the absence of a peace treaty to end their 1950-53 conflict, in a surprise New Year speech broadcast on state media.
North Korea will likely postpone the launch of a long-range rocket, state news agency KCNA says, but gave no reasons for delaying the plan which has been widely condemned by countries including Russia and the United States.
A North Korean soldier killed two of his officers before crossing the heavily mined border into South Korea today, South Korea's defence ministry and media reports said.
The UN World Food Programme (WFP) has said it will send a first batch of emergency food aid to impoverished North Korea, where a series of deluges and a typhoon have left hundreds of people dead or missing.