President Trump said he has told Secretary of State Rex Tillerson to stop negotiating with Kim Jong Un of North Korea.

“I told Rex Tillerson, our wonderful Secretary of State, that he is wasting his time trying to negotiate with Little Rocket Man,” Trump tweeted Sunday.

“Save your energy Rex, we’ll do what has to be done!”

I told Rex Tillerson, our wonderful Secretary of State, that he is wasting his time trying to negotiate with Little Rocket Man…

— Donald J. Trump (@realDonaldTrump) October 1, 2017

…Save your energy Rex, we'll do what has to be done!

— Donald J. Trump (@realDonaldTrump) October 1, 2017

This is one of the comments made by Trump in his war of words with North Korea.

Trump had threatened to destroy North Korea if Kim persisted with his nuclear launches.

Tillerson said Saturday that the United States has direct communication with the Kim regime.