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response to this change in North Korea's attitude, the US State Department wrote an expression of'disappointment' with concern. It is said that it urges us to return to diplomacy and cooperation, and at the same time contains a warning message from North Korea.

Washington Correspondent Kim Soo-hyung reports.

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US State Department also expressed concern over North Korea's measures to cut off communication channels between the two Koreas.

A State Department spokesman said the United States was disappointed with North Korea's recent move and urged North Korea to return to diplomacy and cooperation.

He added that the United States has always supported progress in inter-Korean relations and is working closely with its allies, South Korea, while trying to get involved in the North Korean issue.

It is unusual for the US government to express its disappointment as it reacts, and it seems to judge that it needs to warn North Korea to prevent the situation from worsening.

In addition, although North Korea's actions were aimed at South Korea, it is analyzed to accept that there is a pressure message toward the United States.

The U.S. government has reaffirmed its existing position that North Korea's denuclearization measures will be followed by compensation until recently.

[Mark Naper/Deputy Assistant Secretary of State, CSIS Video Conference on 5th: If North Korea gives up its illegal nuclear and missile programs, there will certainly be a brighter future for

North Korea .] Still , 28 North Koreans are charged with money laundering charges. Do not release the reins of the sanctions.