CNN White House correspondent Jim Acosta says a Trump supporter told him that the media is going to cause a civil war in the U.S.

"What's going to happen is we're going to end up with a civil war," Acosta said the supporter told him ahead of a Trump rally in South Carolina on Monday.

"You're going to have people end up shooting people. You need to tone it down a bit. The language, everything, it's got to stop. Be decent," the woman said in a video posted by Acosta on Twitter.

"I believe I am decent," Acosta responded in the video.

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"Please be decent. Don't ask any stupid questions," she continued. "One question, one answer. You should understand it."

This lady from last night’s Trump rally in SC told me to tone it down. She talked about a possible civil war and people shooting each other. Just one example of some of the anger directed at the press at Trump rallies. pic.twitter.com/eK2iINUcrj — Jim Acosta (@Acosta) June 26, 2018

Acosta was heckled by the president's supporters at the rally, who repeatedly told the CNN correspondent to "go home."

“When I was at this rally tonight, people were coming up to me and saying ‘why are you mean to President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE, why are you mean to Sarah Sanders?’” Acosta later told CNN's Don Lemon.

“An elderly woman came up to me and said that I needed to get the ‘eff’ out. And then she turned to the crowd and whipped them all into a frenzy and they were saying ‘go home Jim, CNN sucks, fake news,’ and so on. And to me, it’s sort of like, really? This is civility?” he continued.

Trump has repeatedly targeted CNN, frequently referring to the cable network as "fake news."

Acosta has had a contentious relationship with the White House and Trump campaign officials.

Trump campaign manager Brad Parscale tweeted in early June that Acosta's credentials should be revoked because Acosta asking questions during a ceremony between Trump and North Korean leader Kim Jong Un.

Acosta responded, "Dictatorships take away press credentials. Not democracies.”