But denuclearisation negotiations have stalled.
United States President Donald Trump took his enthusiasm for his detente with North Korean leader Kim Jong Un to new heights, declaring at a rally with supporters that "we fell in love" after exchanging letters.
The North Korean foreign minister reiterated that without simultaneous actions by Washington, Pyongyang will never unilaterally disarm first.
Before they turned the page on decades of public acrimony, the leaders regularly traded threats and insults as North Korea pushed to develop a nuclear missile capable of hitting the United States.
Ri said it was a "pipe dream" that continued sanctions and U.S. objection to a declaration to formally end the Korean war would ever bring the North to its knees.
"The perception that sanctions can bring us on our knees is a pipe dream of the people who are ignorant about us. But the problem is that the continued sanctions are deepening our mistrust", he added.
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Hazard's seventh goal in eight games in the league and cup came after 25 minutes in a move he started inside his own half. So I'm happy for him. "The whole dressing room was pretty much dancing". "He's such a threat still and it's really good".
On Wednesday, US Secretary of State Mike Pompeo met with Ri in NY and accepted the North Korean leader's invitation to visit Pyongyang, the State Department said.
The minister instead highlighted three meetings between Mr Kim and South Korean leader Moon Jae-in in the past five months and added: "If the party to this issue of denuclearisation were South Korea and not the U.S., the denuclearisation of the Korean peninsula would not have come to such a deadlock".
'I was being really tough and so was he.
Earlier last week, US Secretary of State Michael Pompeo said he had a "very positive meeting" with Ri, and agreed to visit North Korea next month to prepare for another summit.
'He wrote me lovely letters and they're great letters. "And then we fell in love", Mr Trump said.
Former South Korean President Kim Dae-jung had also received a pair of Pungsan pups after his landmark summit in Pyongyang with then North Korean leader Kim Jong Il in 2000.
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Kim and Trump are actively planning a second summit, but there are still signs that the talks haven't advanced.
"So unpresidential, '" Mr Trump told the rally.
'The missiles and rockets are no longer flying in every direction, nuclear testing has stopped, some military facilities are already being dismantled, ' Trump said.
By contrast, Trump in his remarks to the assembly on Tuesday, thanked Kim "for his courage and for the steps he has taken".
Sanctions were directly referenced by Ri as a barrier to bilateral progress and as an example of US efforts to coerce the DPRK.
On Saturday, the same day as Trump's rally, North Korea painted a less chummy picture of the relationship between the two countries.
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