Congressional Democrats and some Republicans said Friday that special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE’s criminal charges against 13 Russians and three Russian entities offered even more proof that Moscow had meddled in the 2016 presidential election.

Top Democrats on the Hill argued that the indictments provided clear evidence that the Russian government used an aggressive social media campaign to sway U.S. voters to back Donald Trump over Hillary Clinton Hillary Diane Rodham ClintonJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Momentum growing among Republicans for Supreme Court vote before Election Day Warning signs flash for Lindsey Graham in South Carolina MORE, though the handful of Republicans who weighed in made no mention of either presidential candidate.

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“We have known that Russians meddled in the election, but these indictments detail the extent of the subterfuge,” Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) said in a statement. “These Russians engaged in a sinister and systematic attack on our political system. It was a conspiracy to subvert the process, and take aim at democracy itself."

“Today’s announcement underscores why we need to follow the facts and work to protect the integrity of future elections,” Ryan added.

In a tweet, Rep. Kevin Yoder Kevin Wayne YoderBottom line Amanda Adkins wins GOP primary to challenge Rep. Sharice Davids Sharice Davids to vote for Trump impeachment articles: 'The facts are uncontested' MORE (R-Kan.) reaffirmed his confidence in Mueller, saying he’s convinced the former FBI director will do a “strong job” in getting to the bottom of the Russian interference.

“Today, [Mueller] sent an important message to the Russians that those responsible for attempted interference in our elections will be brought to justice,” tweeted Yoder, who also made no mention of Trump or Clinton.

But House Democrats, led by Minority Leader Nancy Pelosi Nancy PelosiSunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election Trump is betting big on the suburbs, but his strategy is failing 'bigly' Trump orders flags at half-staff to honor 'trailblazer' Ginsburg MORE (Calif.), said details in Mueller’s indictment directly refute Trump’s assertion that Russia neither meddled in the election nor aided his successful campaign.

“As desperately as President Trump Donald John TrumpUS reimposes UN sanctions on Iran amid increasing tensions Jeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally MORE insists that the Special Counsel investigation is a ‘hoax,'” Pelosi said, “these latest indictments build on multiple guilty pleas and indictments of several Trump campaign officials, demonstrating the gravity of the Trump-Russia scandal.”

Rep. Adam Schiff Adam Bennett SchiffTop Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Overnight Defense: Top admiral says 'no condition' where US should conduct nuclear test 'at this time' | Intelligence chief says Congress will get some in-person election security briefings Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies MORE (Calif.), the top Democrat on the House Intelligence Committee, which probing Russian meddling, echoed Pelosi’s remarks.

“The indictment reaffirms what our Intelligence Community concluded, what our Committee's investigation has borne out, and what President Trump denies: that Russia interfered in our election in an effort to assist his presidential campaign and harm Hillary Clinton’s campaign,” Schiff said in a statement.

The 37-page federal indictment, unveiled by Deputy Attorney General Rod Rosenstein Rod RosensteinDOJ kept investigators from completing probe of Trump ties to Russia: report Five takeaways from final Senate Intel Russia report FBI officials hid copies of Russia probe documents fearing Trump interference: book MORE at Justice Department headquarters, alleges that Russian officials created false U.S. personas and stole the identities of real U.S. people to interfere with the 2016 presidential election, “promote discord in the United States and undermine public confidence in democracy.”

The objective of the Russians, the indictment says, was to back Trump's campaign and harm Clinton’s. Some of these Russians communicated with “unwitting” associates of the Trump campaign, the document says.

Sen. Mark Warner Mark Robert WarnerIntelligence chief says Congress will get some in-person election security briefings Overnight Defense: Trump hosts Israel, UAE, Bahrain for historic signing l Air Force reveals it secretly built and flew new fighter jet l Coronavirus creates delay in Pentagon research for alternative to 'forever chemicals' House approves bill to secure internet-connected federal devices against cyber threats MORE (R-Va.), vice chairman of the Senate Intelligence Committee, which has also been probing Russia, called the indictment vindication for his panel’s work.

“With this indictment, the Special Counsel and his team have taken an important step to hold Russia accountable,” he said.

In his own statement, Senate Minority Leader Charles Schumer Chuck SchumerVideo of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral Graham signals support for confirming a Supreme Court nominee this year Pelosi orders Capitol flags at half-staff to honor Ginsburg MORE (D-N.Y.) called on Trump to implement sanctions against Russia that have already cleared Congress. Trump has delayed acting on those sanctions, which came in response to Moscow’s election interference.

“The indictments are also a reminder that Russia will continue to try to interfere in our Democracy,” Schumer warned. “The administration needs to be far more vigilant in protecting the 2018 elections, and alert the American public any time the Russians attempt to interfere.”