CNN on Tuesday fired back at President Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE after he went on the attack against the network in an early morning tweet.

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"Once again, false. The personal political beliefs of CNN's employees are of no interest to us," CNN's communications account tweeted in response to Trump.

"Their pursuit of the truth is our only concern. Also, Jeff's last name is spelled Z-U-C-K-E-R. Those are the facts. #FactsFirst."

Once again, false. The personal political beliefs of CNN's employees are of no interest to us. Their pursuit of the truth is our only concern. Also, Jeff's last name is spelled Z-U-C-K-E-R. Those are the facts. #FactsFirst — CNN Communications (@CNNPR) April 3, 2018

The tweet came after Trump on Tuesday morning took aim at CNN's president, Jeff Zucker.

"Check out the fact that you can’t get a job at ratings challenged @CNN unless you state that you are totally anti-Trump?" Trump tweeted.

"Little Jeff Zuker, whose job is in jeopardy, is not having much fun lately. They should clean up and strengthen CNN and get back to honest reporting!" he added, misspelling the name of CNN's president.

Trump frequently rails on the media and accuses publications and reporters of putting out fake news.

He often targets CNN, claiming the network is biased against him and pushes fake stories.

On Tuesday, Trump also criticized CNN while defending right-leaning Sinclair Broadcasting Group after its move to have its local news anchors warn of alleged bias in reporting by other media outlets.

"The Fake News Networks, those that knowingly have a sick and biased AGENDA, are worried about the competition and quality of Sinclair Broadcast," the president tweeted. "The 'Fakers' at CNN, NBC, ABC & CBS have done so much dishonest reporting that they should only be allowed to get awards for fiction!"