we get more on the simmering tensions tonight from our chief foreign correspondent richard engle. >> reporter: kim jong-un jong-un's latest, unching people to find shelter including some american tourists. >> that's a nice wakeup call. it's a north korean missile launch. >> reporter: it was a ballistic missile launched around 6:30 a.m. local time. it traveled 2,300 miles over northern japan landing in the pacific ocean. the u.s. military said it posed no threat to american territory guam is far to the south, which kim jong-un has threatened before. south korea responded to the launch by firing two missiles of its own into the sea but at the same distance they'd have to travel to hit the north korean launch site. the u.n. convened an emergency session just days after imposing new sanctions. watered down by russia and china. but president trump today again talking up the military option. >> after seeing your capabilities and commitment here today, i am more confident than ever that our options in addressing this threat are both effective and overwhelming. >> kim jong-un has learned fro
