Conservative radio host Rush Limbaugh suggested without evidence on Friday that the attack at two mosques in New Zealand may have been a false flag, sharing "an ongoing theory" that a suspect in the attack "may in fact be a leftist."

"There is an ongoing theory — [producer Bo] Snerdley, correct me if I’m wrong about this — there’s an ongoing theory that the shooter himself may in fact be a leftist who writes the manifesto and then goes out and performs the deed purposely to smear his political enemies, knowing he’s gonna get shot in the process," Limbaugh said on his show. "You can’t immediately discount this."

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"The left is this insane. They are this crazy. And if that's exactly what the guy's trying to do then he's hit a home run," the host added before referencing a report on Fox News on a monitor in his studio. "Because right there on Fox News: 'The shooter is an admitted white nationalist who hates immigrants.'"

"You try to absorb all of this to try to keep some sort of an even keel about it," Limbaugh added. "And then from the manifesto again itself, the shooter says he’s not a conservative, not a Christian and that he identifies as an eco-fascist, which would make him a supporter of the Green New Deal. He adds that he disagrees with Trump on politics."

A 28-year-old suspect from Australia has been charged with murder in connection with the attack that left at least 49 people dead and dozens of others injured. He reportedly wrote a more than 70-page manifesto with white nationalist rhetoric.

Limbaugh's comments came as President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE on Friday denounced the attack, while telling reporters later during an event in the Oval Office that he has not seen a rise in white nationalism.

“I don't really, I think it’s a small group of people that have very, very serious problems,” Trump said when asked if he sees a rise in white nationalism. "If you look what happened in New Zealand, perhaps that’s the case. I don’t know enough about it yet."

The president also called the shooting a “horrible, horrible thing.”