BRIEF-Japan Defence Minister says North Korean Missile reached altitude of 50 kilometres

* JAPAN DEFENCE MINISTER: NORTH KOREAN MISSILE REACHED ALTITUDE OF 50 KILOMETRES

* JAPAN DEFENCE MINISTER: NORTH KOREAN MISSILE MAY HAVE FLOWN ON IRREGULAR TRAJECTORY * JAPAN DEFENCE MINISTER: NORTH KOREAN MISSILE BELIEVED TO HAVE LANDED OUTSIDE JAPAN'S EEZ Source text for Eikon: Further company coverage: [ ]