Trump warns in a Saturday-night tweet: "Just heard Foreign Minister of North Korea speak at U.N. If he echoes thoughts of Little Rocket Man, they won't be around much longer!"

• "North Korea's foreign minister told world leaders Saturday that ... Trump's insult calling leader Kim Jong Un 'rocket man' makes 'our rocket's visit to the entire U.S. mainland inevitable all the more.'" (AP)
• "U.S. Air Force B-1B Lancer bombers escorted by fighters flew in international airspace over waters east of North Korea on Saturday in a show of force the Pentagon said indicated the range of military options available to Trump." (Reuters)

Go deeper: "What North Korea wants from the U.S.," by Axios' Shannon Vavra.