North Korea throws next month’s unprecedented summit between Kim Jong Un and US President Donald Trump into doubt, threatening weeks of diplomatic progress by saying it may reconsider if Washington insists on unilateral denuclearisation.

US President Donald Trump says that three Americans detained by North Korea have been released and are on their way home with Secretary of State Mike Pompeo.

In initial small steps toward reconciliation, South Korea say it would remove loudspeakers that blared propaganda across the border, while North Korea says it would shift its clocks to align with its southern neighbor.

North Korea promised to close its atomic test site next month and invite US weapons experts to the country, Seoul says, as US President Donald Trump expressed optimism about securing a nuclear deal with the secretive regime.

North Korea's state news agency on Saturday called the inter-Korean summit a turning point for the Korean peninsula, while US President Donald Trump said he would maintain sanctions pressure on Pyongyang ahead of his own unprecedented meeting with Kim Jong Un.

The leaders of North and South Korea embraced yesterday and pledged to work for the "complete denuclearisation of the Korean peninsula" on a day of smiles and handshakes at the first inter-Korean summit in more than a decade.

China heap praise on the leaders of the two Koreas for holding a landmark summit, calling their handshake over the Military Demarcation Line that divides the peninsula a "historic moment".

Donald Trump's White House voice hope that a Korean summit would "achieve progress toward a future of peace," as the leaders of the two countries sat down to talk.

North Korean leader Kim Jong Un and South Korean President Moon Jae-in embrace after pledging to work for the "complete denuclearisation of the Korean peninsula," punctuating a day of smiles and handshakes at the first inter-Korean summit in more than a decade.

North Korea's underground nuclear test site has partially collapsed following a massive bomb blast last year, making it unusable, Chinese seismologists conclude.

South Korea halts the propaganda broadcasts it blares across the border at North Korea ahead of their first summit in a decade, as US President Donald Trump cautioned the nuclear crisis on the peninsula was a long way from being resolved.

A US push to change the Iran nuclear deal was sending a “very dangerous message” that countries should never negotiate with Washington, Iran’s foreign minister warns as US and North Korean leaders prepare to meet for denuclearization talks.

North Korea poses a "real threat" whose solution will require international co-operation, former US President Barack Obama says on a visit to Japan.

A South Korean delegation meets North Korean leader Kim Jong Un, a South Korean official said, after arriving in the North on a visit aimed at encouraging North Korea and the United States to talk.

North Korea sends items used in ballistic missile and chemical weapons programs to Syria along with missile technicians in violation of UN sanctions — and banned ballistic missiles systems to Myanmar, UN experts say.

A blacklisted North Korean general arrives in the South for the Winter Olympics closing ceremony, which will also be attended by US President Donald Trump's daughter Ivanka.

Olympics chief Thomas Bach dismisses concerns that North Korea has tried to "hijack" the Winter Games for political purposes, as officials reveal he will visit the isolated country after the tournament in South Korea.

When a hotel on South Korea's east coast is asked at short notice to host nearly 280 North Korean visitors, the problem is't finding enough rooms. It is to learn how not to offend them.

It is a historic moment, and it happens even before the Pyeongchang Winter Olympics had officially begun.

North Korea has no intention of meeting US officials during the Winter Olympics that start on Friday, the KCNA news agency reports, dampening hopes the Games will help resolve a tense standoff over the North's nuclear weapons programme.