North Korea details plans to dismantle nuclear bomb test site

State television said journalists would be invited to cover the event

People watch a TV screen reporting that North Korea will dismantle nuke test site during a news program at the Seoul Railway Station in Seoul, South Korea, Sunday, May 13, 2018. North Korea said Saturday that it will dismantle its nuclear test site in less than two weeks, in a dramatic event that would set up leader Kim Jong Un's summit with President Donald Trump next month. Trump welcomed the "gracious gesture." The signs read: " Punggye-ri nuclear test." (AP Photo/Ahn Young-joon)
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North Korea is to dismantle its nuclear bomb test site between May 23 and 25 to uphold its pledge to discontinue nuclear tests, the country's state media reported.

The official Korean Central New Agency said dismantlement of the Punggye-ri nuclear test ground would involve collapsing all of its tunnels with explosions, blocking its entrances, and removing all observation facilities, research buildings and security posts.

"The Nuclear Weapon Institute and other concerned institutions are taking technical measures for dismantling the northern nuclear test ground in order to ensure transparency of discontinuance of the nuclear test," KCNA said.

President Donald Trump and North Korean leader Kim Jong-un will hold talks in Singapore on June 12, the first meeting between a sitting US president and a North Korean leader.

Mr Trump's Secretary of State Mike Pompeo said on Friday that North Korea could look forward to "a future brimming with peace and prosperity" if it agrees to quickly give up its nuclear weapons.

The Americans welcomed the North Korean announcement.

"North Korea has announced that they will dismantle Nuclear Test Site this month, ahead of the big Summit Meeting on June 12th," Mr Trump tweeted. "Thank you, a very smart and gracious gesture!"

South Korea's presidential office echoed the sentiment on Sunday, saying it shows Pyongyang's willingness to denuclearise.

However, in spite of its pledge to stop testing, North Korea has given no indication it is willing to go beyond statements of broad conceptual support for denuclearisation by unilaterally abandoning a nuclear weapons programme its ruling family has seen as crucial to its survival.

In announcing the plan to shut Punggye-ri last month, Mr Kim said North Korea no longer needed to conduct tests because it had completed its goal of developing nuclear weapons.

KCNA said journalists, including from the US and South Korea, would be invited to cover the event, to "show in a transparent manner the dismantlement of the northern nuclear test ground to be carried out". The exact date of the closure will depend on weather conditions, the agency said.

To accommodate the travelling journalists, North Korea said various measures would be taken including "opening territorial air space".


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South Korean officials said in April that North Korea also planned to invite experts from the US and South Korea for the Punggye-ri shutdown but KCNA made no mention of this.

Last month, South Korean President Moon Jae-in had asked the United Nations to help verify the shutdown.

South Korea's deputy nuclear envoy Jeong Yeon-doo will visit the International Atomic Energy Agency (IAEA) in Vienna this week to discuss the "complete denuclearisation of North Korea" the foreign ministry said on Sunday.

All of North Korea's six nuclear bomb tests have taken place at Punggye-ri in the north-east of North Korea, where four interconnected tunnels have been dug under Mount Mantap.

While two were shut down after previous nuclear tests, one remained usable and the other was under construction until recently, a South Korean presidential official told reporters on Sunday on condition of anonymity.

According to Chinese academic reports, North Korea's most recent nuclear test in September of what Pyongyang said was a hydrogen bomb, was so large it triggered a collapse inside the mountain, rendering the entire site unusable for tests.

But US intelligence officials have said it remains usable and could be reactivated "in a relatively short period of time" if it was closed.

"I think they’re done testing. They have what they need so the way in which they collapse the tunnels is just show," said Melissa Hanham, senior research associate at the James Martin Center for Nonproliferation Studies in Monterey, California.

Jeffrey Lewis, director of the East Asia Nonproliferation Programme at California's Middlebury Institute of International Studies, said in a blog post this week that recent satellite images had shown the removal of some buildings from the site.


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On Saturday, he told Reuters that closure of Punggye-ri did not mean much in terms of disarmament, given that the US, for example, stopped nuclear testing in 1992.

"It would, however, require North Korea to clear out the test tunnels and rebuild any infrastructure that might be removed — or dig new tunnels at the site or elsewhere. So, it’s a good confidence building measure but not necessarily a sign of irreversible disarmament."

Siegfried Hecker, a former director of the Los Alamos National Laboratory in the US and a leading expert on North Korea's nuclear programme, said collapsing the Punggye-ri tunnels would be "a big and positive step", given his belief that North Korea still required more nuclear and missile tests to reach the US mainland with rocket carrying a nuclear warhead.

However, he said the other crucial steps North Korea needed to take to demilitarise its nuclear programme were to shut its plutonium production reactor, and open its uranium processing to inspection.