The US has ordered all US passport holders to leave North Korea by September 1.
In response leader Kim Jong-un warned the US it would not be safe from destruction if it tries to attack.
One Republican said Donald Trump has told him there will be a war with
North Korea if the rogue nation does not end its missile programme.
“He has told me that. I believe him,” Senator Lindsey Graham told TODAY.
“If I were China, I would believe him, too, and do something about it.”