Donald Trump has said he believes North Korea will "honour its commitment" after the regime promised not to conduct missile tests ahead of his planned talks with Kim Jong Un.

The US President has agreed to meet North Korea's dictator to discuss denuclearisation, and has claimed a deal with the isolated state could be a "very good for one for the world".

The President tweeted: "North Korea has not conducted a Missile Test since November 28, 2017 and has promised not to do so through our meetings. I believe they will honor that commitment!"

The meeting is being planned after South Korea's national security adviser, Chung Eui Yong, informed the White House of Mr Kim's "commitment to denuclearisation" and desire to speak with Mr Trump.

North Korea has not conducted a Missile Test since November 28, 2017 and has promised not to do so through our meetings. I believe they will honor that commitment! — Donald J. Trump (@realDonaldTrump) March 10, 2018

The deal with North Korea is very much in the making and will be, if completed, a very good one for the World. Time and place to be determined. — Donald J. Trump (@realDonaldTrump) March 10, 2018

The White House has dismissed criticism that the US is getting nothing in return for agreeing to a summit with the North Korean leader.

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Image: Kim Jong Un told South Korean officials he wanted to meet Mr Trump

Press Secretary Sarah Huckabee Sanders reminded reporters that North Korea had committed to denuclearisation, promised to stop missile testing, and allowing US-South Korea military exercises to continue.

She said: "Let's not forget that the North Koreans did promise something... We are not going to have this meeting take place until we see concrete actions that match the words and the rhetoric of North Korea."

On Friday, the White House also confirmed Mr Trump had discussed the North Korea issue with Chinese President Xi Jinping and "welcomed the prospect" of a dialogue, despite no serving US President having ever met a North Korean leader.

They also committed to maintaining pressure and sanctions until North Korea takes "tangible steps" towards "complete, verifiable and irreversible denuclearisation".

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White House legislative affairs director Marc Short said President Trump's decision to meet Mr Kim was made with a "handful" of lawmakers.

He said while the White House hoped the encounter would "bear fruit", officials remained "cautious".

The historic meeting - expected to take place by May - comes after the two leaders traded insults for months and economic sanctions on North Korea being tightened.

Mr Trump had previously threatened "fire and fury" in response to threats from North Korea and referred to Kim Jong Un as "Little Rocket Man", while Mr Kim called the US President a "dotard".

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But on Friday, the US leader tweeted: "Kim Jong Un talked about denuclearisation with the South Korean representatives, not just a freeze.

"Also, no missile testing by North Korea during this period of time. Great progress being made but sanctions will remain until an agreement is reached. Meeting being planned!"

US Vice President Mike Pence said the move was "evidence that President Trump's strategy to isolate the Kim regime is working".

The European Union, Russia and South Korea have welcomed the shift in US-North Korea relations.

South Korea's foreign minister, Kang Kyung Wha, said her government was working with the US in order to ensure a "meaningful meeting with a good outcome".

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South Korean President Moon Jae-in said the meeting would be a "historical milestone" that will put the denuclearisation of the Korean Peninsula "really on track".

However, some politicians and experts have voiced scepticism.

Kim Jong Un 'committed to denuclearisation'

Bruce Klingner, a Korea expert at the Heritage Foundation think tank, said: "A presidential visit is really the highest coin in the realm in diplomacy circles... Trump seemed to spend it without getting anything in return, not even the release of the three US captives."

Former senior State Department official Evans Revere, who has experience of negotiating with North Korea, warned there could be a disconnect between how the two parties describe denuclearisation.

He said for the US it meant North Korea giving up their weapons, and for North Korea it meant also removing the threat of US forces in South Korea and its nuclear deterrent in the region.