Good morning from the studio 57 newsroom at cbs news headquarters here in new york. Good to be with you. Im annemarie green. North koreas latest nuclear test provoked tough talk from the trump administration. The north claimed it tested a Hydrogen Bomb. The explosion was at least five times more powerful than the countrys previous test, and if so, it would be a huge leap in north Koreas Nuclear capability. And south korea reports its military says north korea appears to be getting ready to launch another ballistic missile. The white house is not ruling out military action. Hena doba is here. Good morning, hena. Good morning, annemarie. The u. N. Security council will yet again try to diplomatically rein in north korea. President trump has threatened to halt all trade with countries doing business with the north, a veiled warning to china. South koreas military says it carried out a livefire military test this morning using a drill simulating an attack on north Koreas Nuclear test site.