Trump administration officials on Sunday pushed back against the suggestion that 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’s rhetoric is partly to blame for the attack at two New Zealand mosques that left 50 people dead.

The main suspect in the shooting, which happened Friday, wrote in his manifesto that he supported Trump — something acting White House chief of staff Mick Mulvaney Mick MulvaneyMick Mulvaney to start hedge fund Fauci says positive White House task force reports don't always match what he hears on the ground Bottom line MORE and U.S. Ambassador to New Zealand Scott Brown downplayed Sunday.

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Trump said Friday following the shooting that he didn’t believe white nationalism is a rising threat.

“I think it’s a small group of people that have very, very serious problems. It’s certainly a terrible thing," the president said.

In a manifesto that was more than 70 pages, the suspected shooter in the attack wrote that he supported Trump “as a symbol of renewed white identity and common purpose” but not as a “policy maker and leader.”

Appearing on “Fox News Sunday,” Mulvaney rejected any link between Trump and the suspect despite the manifesto.

Mulvaney declared that Trump is “not a white supremacist” and said attempting to blame Trump for the shooting “speaks to a politicization of everything that I think is undermining sort of the institutions that we have in the country today.”

"Let’s take what happened in New Zealand yesterday for what it is — a terrible, evil, tragic act — and figure out why those things are becoming more prevalent in the world," he said. "Is it Donald Trump? Absolutely not."

Mick Mulvaney talks New Zealand massacre on Fox News Sunday #FNS #NewZealand pic.twitter.com/fBBpM5CyeM — FoxNewsSunday (@FoxNewsSunday) March 17, 2019

Brown also pushed back against the manifesto, saying during an interview on CNN's “State of the Union” that he gives no credibility to the suspect or the manifesto.

"I don’t give any credibility whatsoever to the ramblings of somebody who’s rotten to the core and clearly is an extremist of the worst kind who could walk into two mosques and, without any care whatsoever, kill people," Brown said.

"I don’t give any credibility to it. I’m not going to read it. I encourage others not to read it. I’m not going to give him the time of day," he added.

Some Democrats, however, said Trump’s rhetoric has contributed to the rise of white nationalism and white supremacist violence.

Tlaib, appearing on “State of the Union,” said that trend will continue if Trump and his administration “continue to stay silent.”

“The leadership, the administration, when they continue to stay silent, it's going to increase,” she said.

“It will not stop until we send a loud signal and put the resources together to combat it and to stop it,” she added.

Rep. Rashida Tlaib on how she talks to her two young Muslim sons after the New Zealand terror attack: “All I can do is come from a place of love and give them a sense of hope. There are more of us … more people that are coming from a place of respect and equality and justice” pic.twitter.com/k0vEsr9lnS — State of the Union (@CNNSotu) March 17, 2019

Kaine said during an interview on CBS’s “Face the Nation” that Trump needs to do more to call out white supremacy.

Kaine also criticized Trump’s rhetoric, saying the president uses language "very similar to the language used by these bigots and racists" and that he has emboldened white nationalists.

"When you see church shootings in Charleston, a synagogue shooting in Pittsburgh, you see this hate-filled manifesto of the shooter in New Zealand who is murdering Muslims, we have to confront the fact that there is a rise in white supremacy, anti-immigrant, anti-Muslim attitudes," Kaine said.

"The president uses language often that’s very similar to the language used by these bigots and racists, and if he’s not going to call it out, then other leaders have to do more to call it out," he added.

Klobuchar, who is running for president in 2020, said she doesn’t think “you can … say what role Donald Trump played” in the New Zealand attack and other hate crimes that have happened during his presidency.

But Klobuchar added that Trump’s rhetoric “doesn’t help” and that “at the very least, he is dividing people.”

“And he, at the very least, should be giving strong statements, public speeches defending Muslims in this world," she said during an interview on "State of the Union."

Without naming Trump, former Homeland Security Secretary Jeh Johnson said U.S. leaders should "adopt a more civil tone" following the New Zealand shootings.

“There's a role for our leaders to play in raising the level of civil dialogue in our country and lowering the levels of extremist speech,” he said on ABC’s “This Week.”

“Americans do listen to their leaders,” Johnson added. “And so as we enter this election season, I believe that the voters should demand that a prerequisite for office … is that our leaders adopt a more civil tone in what they say.”