North Korea's neighbors, U.S. President Donald Trump and the United Nations welcomed Friday's historic inter-Korean summit while urging progress toward denuclearization.

At the first summit between the Koreas in more than a decade, North Korean leader Kim Jong Un and his South Korean counterpart, Moon Jae-in, pledged to work for the "complete denuclearization of the Korean Peninsula."

The two sides said they would work with the United States and China to declare an official end to the 1950-1953 Korean War and seek an agreement to establish "permanent" and "solid" peace in place of an armistice.