US Vice President Mike Pence had hinted the sanctions package two weeks ago at Winter Olympics in South Korea
US President Donald Trump said on Friday the United States would launch the "largest-ever" package of sanctions against North Korea, intensifying pressure on the reclusive country to giving up its nuclear and missile programmes.
"Today I am announcing that we are launching the largest-ever set of new sanctions on the North Korean regime," Trump said in excerpts of a speech he was to deliver on Friday.
He said the Treasury Department soon will be taking action to further cut off sources of revenue and fuel that North Korea uses to fund its nuclear program and sustain its military."
He said the effort will target more than 50 "vessels, shipping companies and trade businesses that are assisting North Korea in evading sanctions.
Tougher sanctions may jeopardise the latest detente between the two Koreas, illustrated by the North's participation in the Winter Olympics in the South, amid preparations for talks about a possible summit between North Korean leader Kim Jong Un and South Korean President Moon Jae-in.
US Vice President Mike Pence had hinted at such a sanctions package two weeks ago during a stop in Tokyo that preceded his visit to South Korea for the Pyeongchang Olympics.
North Korea last year conducted dozens of missile launches and its sixth and largest nuclear test in defiance of UN Security Council resolutions as it pursues its goal of developing a nuclear-armed missile capable of reaching the United States. It defends the weapons programmes as essential to deter US aggression.
But it has been more than two months since its last missile test.
North Korean leader Kim Jong Un said he wants to boost the "warm climate of reconciliation and dialogue" with South Korea, which hosts 28,500 US troops, after a high-level delegation, including his sister, returned from the Olympics.
In an extension of that rapprochement, the North agreed on Friday to hold working-level talks on Tuesday for the Pyeongchang Winter Paralympics on the North's side of the border village of Panmunjom.
The new US sanctions will be announced while Trump's daughter, Ivanka, is visiting South Korea. She had dinner with Moon after a closed-door meeting with the president on Friday and will attend the Olympics' closing ceremony.
Ivanka Trump's visit coincides with that of a sanctioned North Korean official, Kim Yong Chol, blamed for the deadly 2010 sinking of a South Korean navy ship that killed 46 sailors. His delegation will attend the closing ceremony and also meet Moon.
The Blue House has said there are no official opportunities for U.S. and North Korean officials to meet.
"RIGHT PERSON"
Kim Yong Chol is the vice chairman of the North's ruling Workers' Party's Central Committee and was previously chief of the Reconnaissance General Bureau, a top North Korean military intelligence agency which South Korea blamed for the sinking of its navy corvette, the Cheonan.
North Korea has denied any involvement.
Seoul said it approved the pending visit by Kim Yong Chol in the pursuit of peace and asked for public understanding in the face of opposition protests.
"Under current difficult circumstances, we have decided to focus on whether peace on the Korean peninsula and improvement in inter-Korean relations can be derived from dialogue with (the visiting North Korean officials), not on their past or who they are," said Unification Ministry Baik Tae-hyun in a media briefing.
Kim Yong Chol currently heads the United Front Department, the North's office responsible for handling inter-Korean affairs.
South Korea's decision on Thursday to allow in Kim Yong Chol, currently sanctioned by the United States and South Korea, sparked protest from family members of the dead sailors and opposition parties.
Many have been angered at the North's participation at the Games, which they say has been a reward for bad behaviour with no quid pro quo from Pyongyang.
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