President Moon Jae-in's top security adviser, Chung Eui-yong, returned from Washington Friday afternoon after meeting with his U.S. counterpart, John Bolton.
Upon his arrival in Seoul, Chung told reporters both countries agreed to do their utmost to ensure the success of the inter-Korean summit and the U.S.-North Korea summit.
"We agreed that both our countries' National Security Councils will work closely together to ensure the upcoming summits' success."
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He also said his meeting with Bolton was helpful and that they are on the same page that establishing peace on the Peninsula through denuclearization is a must.
However he did not disclose any details about the denuclearization roadmap being negotiated, or whether they discussed the location of the much anticipated Washington-Pyongyang summit.
Earlier this week Seoul suggested establishing a direct communication channel to help Chung and Bolton coordinate.
According the South Korean ambassador to the U.S, Cho Yoon-je Chung's first meeting with the newly appointed U.S. National Security Adviser took place at the White House and lasted for about an hour.
Also in Washington was Japan's national security adviser, Shotaro Yachi, but Cho confirmed that there was no three-way meeting; Bolton met with his Korean and Japanese counterparts separately.
President Trump's appointment of Bolton has raised concerns in Seoul that the U.S. could consider military action against the North if the Trump-Kim summit goes poorly.
Bolton, a former U.S. ambassador to the UN, recently argued for a preventive strike on North Korea, even though he stressed that it's not his favored option.
Hwang Hojun, Arirang News.