When asked if he believed that his North Korean counterpart would follow through on the promises he made during the two leaders' conversation, President Trump said he "really believes" he'd keep his word.

Citing a missile engine testing site that Kim Jong Un had also pledged to shut down "in addition to the other things we were able to do.

"I may be wrong and stand before you in six months and say, 'Hey I was wrong,'" before pausing.

"I don’t think I’ll ever admit that," he said.