Horror author Stephen King says President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE must be removed from office.

“Donald Trump is unfit for office. Needs to be removed,” King tweeted Friday after Trump threatened military action against North Korea.

Donald Trump is unfit for office. Needs to be removed. — Stephen King (@StephenKing) August 11, 2017

Trump is facing criticism for his threat earlier this week of "fire and fury" if North Korea threatens the U.S.

He added Friday that the military is “locked and loaded” if North Korea acts “unwisely.”

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North Korea shrugged off Trump’s warning, saying they have already planned to attack waters near the U.S. base in Guam this month.

King has been harshly critical of Trump in the past, saying his control of the U.S. nuclear arsenal is “worse than any horror story I ever wrote” and mocking his claims that former President Barack Obama Barack Hussein ObamaMomentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina Majority of voters say Trump should not nominate a Supreme Court justice: poll MORE wiretapped him with a short story.

Comedian Chelsea Handler similarly called for Trump to be removed from office, urging the generals serving in the Trump administration to remove him as soon as possible to save their reputations.

“To all the generals surrounding our idiot-in-chief...the longer U wait to remove him, the longer UR name will appear negatively in history,” she said.