N. Korea behavior 'can't continue', says US security adviser McMaster

An international consensus that includes China has now emerged that North Korea's "threatening behavior" cannot go on, the US national security adviser said Sunday.Speaking from Afghanistan on ABC, he made a point of stating several times that China -- North Korea's key ally -- is now concerned about the reclusive communist state's behavior.McMaster said President Donald Trump has made clear he will not allow the nuclear-armed Pyongyang regime to put the US and its regional allies under threat.