SEOUL, Oct 27 (INP) US Defence Secretary Jim Mattis accused North Korea on Friday of building a nuclear arsenal to “threaten others with catastrophe” and said the Trump administration remains committed to compelling the North to accept complete nuclear disarmament. Calling the North a threat to global order, Mr. Mattis stood inside the Demilitarized Zone that separates the two Koreas and pledged solidarity with the South. INP/AH/LK