The Senate Intelligence Committee's top Republican lambasted former CIA Director John Brennan John Owen BrennanJournalism or partisanship? The media's mistakes of 2016 continue in 2020 Comey on Clinton tweet: 'I regret only being involved in the 2016 election' Ex-CIA Director Brennan questioned for 8 hours in Durham review of Russia probe MORE on Thursday for the timing of his claims about possible ties between the Trump campaign and Russia.

In a statement, Senate Intelligence Committee Chairman Richard Burr Richard Mauze BurrHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Bipartisan representatives demand answers on expired surveillance programs Rep. Mark Walker says he's been contacted about Liberty University vacancy MORE (R-N.C.) pointed to a New York Times op-ed published Thursday in which Brennan describes President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE’s claims of “no collusion” between his campaign and Russia as “hogwash."

“Director Brennan’s recent statements purport to know, as fact, that the Trump campaign colluded with a foreign power,” Burr said Thursday, questioning why, if Brennan’s assertion is based on actual intelligence, it was not included in the unclassified intelligence assessment released in early 2017.

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“If his statement is based on intelligence he has seen since leaving office, it constitutes an intelligence breach. If he has some other personal knowledge of or evidence of collusion, it should be disclosed to the Special Counsel, not The New York Times,” Burr said. Burr added that Trump has the “full authority” to revoke security clearance if the statements were “purely political and based on conjecture.”

In his op-ed, Brennan, who helmed the CIA when the intelligence community released its assessment of Russian interference in the 2016 presidential election, wrote that he has learned of “highly suspicious dalliances of some American citizens with people affiliated with the Russian intelligence services” through “the reporting of an open and free press” since his time in government.

Trump on Wednesday announced in a statement read by White House press secretary Sarah Huckabee Sanders, that he was revoking Brennan’s security clearance, citing national security concerns, though the move was widely viewed as an effort by the president to silence one of his most fervent critics. Trump, in a statement, accused Brennan of using his status to make “unfounded and outrageous” charges about his administration.

Sanders denied that Trump was working to crack down on his critics.

Burr’s reaction — an apparent defense of the president, albeit with caveats — conflicts with that of his Democratic counterpart on the committee, Sen. Mark Warner Mark Robert WarnerFBI director casts doubt on concerns over mail-in voting fraud Democrats call for declassifying election threats after briefing by Trump officials It's time to upgrade benefits MORE (D-Va.).

Warner on Wednesday accused Trump of setting a “dangerous precedent” and politicizing national security.

Together, Burr and Warner are leading the Senate panel’s investigation into Russian interference in the election, a probe that thus far has set a distinctly bipartisan tone, in contrast with the committee’s counterpart in the House.

The intelligence community assessment released last year concluded that Russia waged a broad campaign to interfere in the election to undermine U.S. democracy, damage Democratic presidential nominee Hillary Clinton Hillary Diane Rodham ClintonFox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio Trump, Biden court Black business owners in final election sprint The power of incumbency: How Trump is using the Oval Office to win reelection MORE's campaign, and help Trump win the White House.

The findings triggered a federal investigation into Russian interference — including probing whether there was collusion between Trump’s campaign Moscow — now being led by 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.

Burr’s reaction echoes those of other Republicans who have described Brennan's actions as inappropriate.

“He's acted like a butthead. He's acted like a political hack and not a national security professional,” Sen. Joe Kennedy Joseph (Joe) Patrick KennedyDemocrats see fundraising spike following Ginsburg death Massachusetts town clerk resigns after delays to primary vote count Bogeymen of the far left deserve a place in any Biden administration MORE (R-La.) told reporters Wednesday.