Seoul will review the opening of a joint liaison office with North Korea in Kaesong as negotiations between Washington and Pyongyang hit a stumbling block, the Blue House announced on Monday.

The news came after U.S. President Donald Trump’s decision on Friday to cancel his Secretary of State’s planned trip to the DPRK, citing a lack of progress on denuclearization.

“The opening of the liaison office had been planned under smooth progress, such as Pompeo’s North Korea trip and the South-North Korea summit, but we believe there is a need to once again review the issue since a new development has