White House press secretary Sarah Huckabee Sanders on Saturday accused Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE's campaign of colluding with Russia during the 2016 presidential race, claiming that the evidence is "indisputable."

President Trump's top spokeswoman made the claim on Twitter a day after reports emerged indicating that the first charges had been filed in special counsel Robert Mueller's probe into ties between Trump campaign associates and Russia.

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"Clinton spokesman just said he's 'damn glad' Clinton campaign colluded w/ Russia to spread disinformation about @POTUS & influence election," Sanders said on Twitter.

"The evidence Clinton campaign, DNC & Russia colluded to influence the election is indisputable," she wrote in another tweet linking to an article from a conservative news site.

The evidence Clinton campaign, DNC & Russia colluded to influence the election is indisputable->https://t.co/nLRAMrJK3c — Sarah Sanders (@PressSec) October 28, 2017

Former Clinton campaign spokesman Brian Fallon fired back at Sanders, tweeting, "Ah. So this explains how the 'Clinton administration' came into power."

Ah. So this explains how the "Clinton administration" came into power. https://t.co/HSRNqUl21j — Brian Fallon (@brianefallon) October 28, 2017

The tweet was a nod to former Trump campaign manager Corey Lewandowski's comments on Fox News earlier Saturday, in which he responded to reports about charges being filed in the Mueller probe by arguing the focus should instead be on the "continued lies of the Clinton administration."

Sanders attached in her tweet an article about reported claims surrounding the unverified, explosive dossier about Trump's alleged ties to Russia. The Washington Post reported this week that Clinton campaign lawyer Marc Elias had retained intelligence firm Fusion GPS

to conduct anti-Trump research. The firm later produced the Trump dossier.

Sanders's claim that a Clinton spokesman said he was "damn glad" about alleged Russian collusion appeared to reference comments Fallon made to The Washington Post on Friday.

However, in the interview, Fallon had praised Elias for hiring Fusion GPS to probe then-candidate Trump last spring during the campaign.

“Marc is known as one of the most skilled professionals in Democratic politics, in addition to being the party’s top election lawyer,” Fallon said.

“I am damn glad he pursued this on behalf of our campaign and only regret more of this material was not verified in time for the voters to learn it before the election," he continued.

Trump himself has accused the Clinton campaign of colluding with Russia, tweeting earlier this week that it is "commonly agreed" that collusion exists.

Mueller and various congressional panels are currently probing alleged ties between the Trump campaign and Russian election interference.

A federal grand jury in Washington, D.C., has reportedly approved the first charges in Mueller’s investigation, and those charged could be taken into custody as soon as Monday.

Updated: 3:45 p.m.