Guterres welcomed the announcement by North Korean leader Kim Jong Un during a summit with his South Korean counterpart Moon Jae-in in Pyongyang UN Secretary-General Antonio Guterres has called for concrete action to follow up on North Korea’s commitment to close a missile test site with international monitors present. Guterres welcomed the announcement by North Korean leader Kim Jong Un during a summit with his South Korean counterpart Moon Jae-in in Pyongyang. “The commitments reflected in the joint statement include important military confidence-building measures and a commitment by the DPRK to dismantle missile engine testing infrastructure in the presence of experts from related countries,” Guterres said in a statement. “Now it is time for concrete action.” Guterres offered UN help to advance efforts to fully rid the Korean peninsula of nuclear weapons and called for unity among global powers.