The United Nations political affairs chief is because of arrive in Pyongyang on Tuesday for a uncommon go to.
The journey by Jeffrey Feltman is the primary by a senior UN official in six years.
North Korea had prolonged an invite to the UN in September to go to for a “coverage dialogue”.
It comes after final week’s launch of what North Korea known as its “most powerful” intercontinental ballistic missile, claiming it may hit the US.
Mr Feltman, a former US diplomat and the best rating American within the UN, will likely be in Pyongyang till Friday. His go to comes as South Korea and the US conduct their largest ever spherical of aerial drills.
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A UN spokesman informed reporters that Mr Feltman will likely be assembly senior officers together with overseas minister Ri Yong-ho. He isn’t scheduled to satisfy North Korean chief Kim Jong-un.
The invitation, first informally issued in September, was confirmed on 30 November – the day after North Korea launched its most up-to-date missile.
The BBC’s Paul Adams in Seoul says within the absence of some other significant diplomatic channels, the UN clearly believes it is vital to pursue no matter alternatives exist for dialogue.
The final go to by a senior UN official was when Valerie Amos, then the UN’s aid chief, travelled there in October 2011. Mr Feltman’s predecessor Lynn Pascoe additionally visited in 2010.
The journey by Mr Feltman comes throughout a interval of excessive tensions following North Korea’s check launch of a missile which drew one other spherical of worldwide condemnation.
The US ambassador to the UN Nikki Haley had said last week that if battle broke out, the North Korean regime could be “totally destroyed”.
On Monday South Korea and the US started a five-day air fight train, their largest ever involving greater than 200 aeroplanes and 1000’s of troops.
North Korea, which routinely condemns such drills, has known as it a “provocation”.