Meanwhile... top U.S. diplomats are meeting with key UN officials back-to-back to discuss sanctions on North Korea.
Washington's Special Representative for North Korea, Stephen Biegun, is traveling to New York on Thursday... to meet with the UN Security Council... and key Permanent Representatives.
The U.S. State Department says.... Biegun will discuss the recent North Korea-U.S. summit and efforts to ensure the full implementation of UN resolutions until North Korea's final and fully verified denuclearization.
Secretary of State Mike Pompeo met with UN Secretary General Antonio Guterres on Wednesday... to talk about the denuclearization issue.
These meetings come after a UN panel report revealed that North Korea is still violating UN sanctions.... and illegally buying petroleum and selling coal.