North Korea fired what appeared to be two short-range ballistic missiles into the sea off its east coast, the South Korean military has said, the latest in a series of launches in recent weeks amid stalled denuclearisation talks.

North Korea’s mission to the United Nations accuses the United States of being “more and more hell-bent on hostile acts” against Pyongyang, despite President Donald Trump wanting talks between the two countries.

Eyeing a history-making photo opportunity, President Donald Trump has issued a Twitter invitation to North Korea’s Kim Jong Un to join him for a hand shake during a visit to the demilitarized zone (DMZ) with South Korea.

The recent US extension of sanctions against North Korea was an act of hostility and an outright challenge to an historic summit between the two countries in Singapore last year, a spokesman for Pyongyang's foreign ministry says.

North Korea executed its nuclear envoy to the United States as part of a purge of officials who steered negotiations for a failed summit between leader Kim Jong Un and US President Donald Trump, a South Korean newspaper has said.

North Korean missile launches over the past week have not affected Donald Trump's relationship with Kim Jong Un, the US president says, in a change of course after initially expressing his dissatisfaction.

North Korea is considering suspending talks with the United States and may rethink a ban on missile and nuclear tests unless Washington makes concessions, news reports from the North's capital quotes a senior diplomat as saying.

North Korea has restores part of a rocket test site it began to dismantle after pledging to do so in a first summit with US President Donald Trump last year, while Trump's national security adviser warns that new sanctions could be introduced if Pyongyang did not scrap its nuclear weapons program.

The US-North Korea nuclear summit in Hanoi ends abruptly without a deal, with President Donald Trump saying he had decided to "walk" in the face of Kim Jong Un's demands to drop sanctions.

North Korean leader Kim Jong Un and US President Donald Trump both arrived in Vietnam on Tuesday, the eve of their second summit at which they will tackle how to implement a North Korean pledge to give up its nuclear weapons.

A North Korean envoy arrives in Washington for expected talks with Secretary of State Mike Pompeo and a possible encounter with President Donald Trump aimed a laying the groundwork for a second US-North Korea summit.

Nuclear-armed North Korea wants good relations with the US but could consider a change of approach if Washington maintains its sanctions, leader Kim Jong Un warns in his New Year speech after 12 months of diplomatic rapprochement.

A US judge on Monday ordered North Korea to pay $501 million over the death of American Otto Warmbier, concluding that the university student likely suffered torture.

North Korea agrees to allow international inspectors to observe a "permanent dismantlement" of its key missile facilities, and will take additional steps such as closing its main Yongbyon nuclear complex if the United States takes reciprocal measures, South Korea's President Moon Jae-in says.

Donald Trump and his secretary of state sent out mixed messages on North Korea yesterday, with the US President praising Kim Jong Un but Mike Pompeo saying Pyongyang still had "enormous" work to do.

US President Donald Trump receives a letter from North Korean leader Kim Jong Un as the two continue to discuss Pyongyang's commitment at a recent Singapore summit to rid itself of nuclear weapons, but no second meeting is currently planned, the White House says.

Kim Jong Un tells President Donald Trump he believes their efforts could open up a “new future” between North Korea and the United States and expresses hope for “practical actions” in the future, according to a letter from the North Korean leader.

US and North Korean officials are in talks in Singapore today in a late bid to narrow differences before their leaders hold a historic summit aimed at finding ways to end a nuclear stand-off on the Korean peninsula.

A senior North Korean official will hand over a letter from the country's leader Kim Jong Un to US President Donald Trump in a rare visit to the White House on Friday as the two sides try to put a derailed summit meeting back on track.

High-ranking officials of the United States and North Korea meet in New York late on Wednesday in the first of two days of talks about the future of Pyongyang's nuclear weapons program and a possible summit between US President Donald Trump and North Korean leader Kim Jung Un.