President Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE plans to allow the release of a controversial memo detailing alleged surveillance abuses at the FBI, according to a senior administration official.

The official said Trump will inform Congress of his decision “probably tomorrow,” adding the president did not have any national security objections to releasing it and would likely not request that any material be redacted.

“The president is OK with it,” the official told reporters traveling with Trump aboard Air Force One. “I doubt there will be any redactions. It’s in Congress’s hands after that.”

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The decision paves the way for the document, which was drafted by Republicans on the House Intelligence Committee, to be released to the public.

Once the White House approves the memo's release, it would be up to the Intelligence panel to decide if and when to make it public.

Trump has been widely expected to sign off on the public release of the document, which some conservatives on Capitol Hill have heavily hinted could prove the undoing of the federal investigation into the Trump campaign's possible ties to Russia.

The president has long derided that probe as a "witch hunt."

Democrats have described the document as a series of cherry-picked data points designed to kneecap 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 investigation.

Intelligence Committee Republicans have blocked Democrats, at least for now, from releasing their own countermemo drafted to rebut the GOP document.

The FBI also fiercely opposes the release of the document.

Senior Justice Department officials, including FBI Director Christopher Wray and 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, have lobbied both the White House and the Intelligence Committee against releasing the document.

In a rare public statement issued Wednesday afternoon, the FBI characterized the memo as misleading, noting that they had been given limited opportunity to review it before the committee voted to release it and saying the agency has "grave concerns about material omissions of fact that fundamentally impact the memo’s accuracy.”

The future of the document now rests with Intelligence Committee Chairman Devin Nunes Devin Gerald NunesSunday shows preview: With less than two months to go, race for the White House heats up Sunday shows preview: Republicans gear up for national convention, USPS debate continues in Washington Sunday shows preview: White House, congressional Democrats unable to breach stalemate over coronavirus relief MORE (R-Calif.), whose staff drafted the memo based on classified documents provided by the Justice Department.

Nunes is under a mountain of pressure from the right to release the document, even as other members of his own party urge caution.

Senate Republican Conference Chairman John Thune John Randolph ThuneThe Hill's 12:30 Report - Presented by Facebook - Don't expect a government check anytime soon The Hill's Morning Report - Sponsored by The Air Line Pilots Association - Trump contradicts CDC director on vaccine, masks Senate GOP eyes early exit MORE (S.D.) said Thursday that Nunes should first share the memo with Senate Intelligence Committee Chairman Richard Burr Richard Mauze BurrRep. Mark Walker says he's been contacted about Liberty University vacancy Overnight Defense: Trump rejects major cut to military health care | Senate report says Trump campaign's Russia contacts posed 'grave' threat Senate report describes closer ties between 2016 Trump campaign, Russia MORE (R-N.C.) before releasing it publicly, noting that Burr has been unable to obtain the document.

“There are important national security considerations they need to weigh, and hopefully they’re doing that,” he told reporters at a Republican retreat in West Virginia.

Committee Republicans used an obscure House rule to override the classification of the document and make it public. The rule gave Trump five days to block the release of the document. It is not clear whether the committee will move to release it immediately upon receipt of his approval or wait the full five days.

The committee voted to release the memo on Monday night.

The precise contents of the memo remain unknown. However, it’s believed to contain allegations that the FBI did not adequately explain to a clandestine court that some of the information used in a surveillance warrant application for Trump campaign adviser Carter Page came from what is known as the "Steele dossier," which was composed of opposition research partially funded by Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE’s presidential campaign.

Adding further uncertainty, the Intel Committee's top Democrat, Rep. Adam Schiff Adam Bennett SchiffOvernight 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 Intelligence chief says Congress will get some in-person election security briefings MORE (Calif.), on Wednesday claimed that Nunes had altered the contents of the memo after the committee had voted to release it.

It's unclear what changes were made. A spokesman for Nunes said Democrats were "complaining about minor edits ... including grammatical fixes and two edits requested by the FBI and the Minority themselves."

Democrats say the changes are far more substantive. A committee source said the changes were "not cosmetic" and "try to water down some of the majority's assertions."

House Minority Leader Nancy Pelosi Nancy PelosiMcConnell focuses on confirming judicial nominees with COVID-19 talks stalled 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 Pelosi must go — the House is in dire need of new leadership MORE (D-Calif.) has demanded that Nunes step down over the alterations.

Updated at 3:33 p.m.