McMaster: N. Korea a 'grave threat' to US, China

SEOUL, South Korea - Trump's national security adviser, Army Lt. Gen. H.R. McMaster, says North Korea's most recent missile test represents "open defiance of the international community." He says North Korea poses "a grave threat" not just to the United States and its Asian allies, but also to China.Speaking on "Fox News Sunday," McMaster says it's important "for all of us to confront this regime, this regime that is pursuing the weaponization of a missile with a nuclear weapon. This is somethin