19:06The NewsroomTrump: If Threatened, US Could Destroy North KoreaBBC World Service Duration: 23 minutes Tue 19th Sep 2017, 19:06 on BBC World Service Americas and the CaribbeanUS President condemns 'rogue nations' in debut speech at UN General Assembly. Show more GenresNewsFormatsMagazines & ReviewsBrandThe Newsroom Source: BBC Online