Senate Minority Leader Harry Reid Harry Mason ReidThe Supreme Court vacancy — yet another congressional food fight Trump seeks to turn around campaign with Supreme Court fight On The Trail: Battle over Ginsburg replacement threatens to break Senate MORE (D-Nev.) says Russian hacking during this presidential election cycle is as significant as the 9/11 terrorist attacks and the Watergate scandal and called for a special commission to investigate.

“I think this is as big a deal as Watergate, as 9/11,” he told BuzzFeed at the Newseum in Washington, D.C., Tuesday. "I think they should have a 9/11-type commission. I know that [Sens.] Dianne Feinstein Dianne Emiel FeinsteinFeinstein 'surprised and taken aback' by suggestion she's not up for Supreme Court fight Democrats shoot down talk of expanding Supreme Court Biden leads Trump by 12 points among Catholic voters: poll MORE [D-Calif.], Ben Cardin Benjamin (Ben) Louis CardinCongress must finish work on popular conservation bill before time runs out PPP application window closes after coronavirus talks deadlock Congress eyes tighter restrictions on next round of small business help MORE [D-Md.] and others are calling for that. I think it’s a step in the right direction. This is a scandal that’s been uncovered.

“The Russians leaked information in a timely fashion to WikiLeaks, also another foreign entity, in an effort to sway the election. I don’t think there’s much question about that.”

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Reid added both media reporting and the intelligence community suggest Russian interference helped Donald 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 become the president-elect.

“You don’t need to have briefings from the CIA and other intelligence agencies to know what is going on,” he said. "All you have to do is read the press.

“To think that [Russian leader Vladimir] Putin has such good relations with the president-elect and now his new secretary of State,’” Reid added, referring to Exxon Mobil CEO Rex Tillerson and his past business with Moscow.

A CIA assessment has concluded that Russia intervened in the U.S. presidential election to help Trump win the White House.

Intelligence agencies have identified various individuals who helped the Russian government leak hacked documents from several Democratic sources to WikiLeaks, according to reports last Friday.

Compromised sources included the Democratic National Committee (DNC) and Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonDemocratic groups using Bloomberg money to launch M in Spanish language ads in Florida The Hill's Campaign Report: Presidential polls tighten weeks out from Election Day More than 50 Latino faith leaders endorse Biden MORE’s campaign manager.

Trump has fiercely rejected assessments that Russia aided his presidential bid, calling such conclusions “ridiculous” during an interview aired Sunday.

“I don’t believe it,” he said in the “Fox News Sunday” interview. "I think it’s just another excuse. Every week it’s another excuse."