north korea test fired a ballistic missile that the u.s. military says blew up over land. it comes only hours after the u.s. secretary of state rex tillerson warned that if pyongyang's nuclear and ballistic missile programs are not curbed it could lead to catastrophic consequences and president trump tweeted this. north korea disrespected the wishes of china and its highly respected president when it launched though unsuccessfully a missile today. bad. cnn international correspondent will ripley is in north korea for us. will? >> wolf, this latest missile launch really open underscores why the trump administration believes that north korean nuclear threat is the most pressing global concern right now. in president trump's first 100 days in office north korean supreme leader kim jong-un has attempted to launch at least nine missiles not all successful including the latest launch in the early morning hours which u.s. and south korean analysts