President Trump's campaign is accusing CNN of refusing to air its new television ad marking Trump's first 100 days in office.

A Tuesday press release from the Trump campaign chides the news network, which is a familiar target for the president's ire, arguing CNN is trying to stifle free speech and any positive news about the administration's successes in office.

“It is absolutely shameful to see the media blocking the positive message that President Trump is trying to share with the country. It's clear that CNN is trying to silence our voice and censor our free speech because it doesn't fit their narrative," Michael Glassner, the Trump campaign's executive director, said in a statement to reporters.

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CNN said that it asked the campaign to remove a “false graphic that says the mainstream media is ‘fake news.’”

“The mainstream media is not fake news, and therefore the ad is false,” CNN added in explaining its decision to reject the ad.

The ad, released Monday, fights back against criticism that the president has accomplished little during his first 100 days in office. It highlights Trump's moves to confirm Supreme Court Justice Neil Gorsuch, authorize the Keystone XL Pipeline and cut regulations. It also teases the new tax cuts from the White House.

It then blasts the media for its coverage of Trump.

"You wouldn't know that from watching the news," the ad's narrator says as a group of cable news reporters — including CNN's Wolf Blitzer and MSNBC's Andrea Mitchell — are shown on the screen.

CNN is a familiar target for Trump. He claims to no longer watch CNN because he believes it doesn't cover him fairly. CNN occasionally has issued statements defending its reporting, including one in January about the existence of a confidential government document claiming Russia could blackmail Trump.

The initial version of the Trump campaign's advertisement included video of Trump shaking hands with Lt. Gen. H.R. McMaster after he agreed to be Trump's national security adviser. But campaign watchdogs noted that election rules prohibit military members from appearing in partisan messaging, and the campaign replaced the ad with a new version that doesn't include that footage.

--This report was updated at 11:29 a.m.