condolences to the family of the passenger. they're in serious damage control mode. >> they swapped out a crew so there was an ability to get on and off the plane -- >> absolutely. but they didn't allow the passengers to get off because they said there wasn't enough room at the airport for everybody to get off at the same time. in other world news, a merger of two powerful families. don't expect to see photos of the blushing bride in her gown because as with most things in north korea, little is known about kim yo-jong's ceremony. overshadowed by rising tensions between north korea and the u.s. over that computer hack at sony. the u.s. levied heavy sanctions against the country after the fbi claimed proof that the rogue nation was behind the hack. now north korea is firing back with strong words for the white house. let's bring in cnn chief national security correspondent jim sciutto.