Talks on denuclearising the Korean peninsula have been largely deadlocked since the second summit between Kim and US President Donald Trump collapsed in Hanoi at the start of this year
The KCNA statement warned that if the United States dared to take issue with the North's system of government by citing human rights problems, it would "pay dearly"
The change will affect tens of thousands of people from visa waiver countries who have gone to the North as tourists or for other purposes in recent years
On Thursday, Trump announced in a tweet that the US should recognise the disputed Golan Heights as Israeli territory, surprising State Department officials
Pyongyang says the nuclear arsenal it has spent decades developing, suffering sanctions and isolation as a result, is to defend itself from a possible US invasion
Trump's remarks came a day after South Korean President Moon Jae-in met Kim for a surprise two-hour meeting on their border in a bid to keep the Trump summit on track
Chinese Foreign Minister Wang Yi reiterated the "freeze-for-freeze" proposal for North Korea to suspend weapons tests while the US halts military drills in the area
Using the so-called 'New York channel,' Joseph Yun, US negotiator with North Korea, has been in contact with diplomats at Pyongyang's United Nations mission, the official said
The two countries have been trading public threats over North Korea's nuclear program with the North declaring that its missiles have the capacity to strike US and Trump vowing to totally destroy them