President Trump is pressing the State Department to expedite the release of any remaining emails from former Secretary of State 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.

CNN reported Friday that the president has made it clear to the State Department that he wants any remaining emails released as soon as possible — an effort one source told CNN is rooted in the president's desire for "transparency."

It also comes after Trump called on the Justice Department to lift a gag order on an FBI informant in an investigation into an Obama-era uranium sale that put Russia in charge of more than 20 percent of the U.S. uranium stockpile.

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Judicial Watch, a conservative watchdog group, filed a Freedom of Information Act (FOIA) lawsuit in 2015 calling for the State Department to release the Clinton emails amid controversy regarding her use of a private email server during her tenure at the department.

The State Department still has about 40,000 pages of records that it needs to review for potential release, CNN reported, and some of those may include emails from the former secretary of State, Trump's 2016 presidential rival.

Trump's reported push for the State Department to hurry up its release of the records follows efforts by congressional Republicans to investigate the 2010 uranium deal, which was approved by a nine-agency review board that included the State Department when Clinton was secretary.

Clinton has denied any involvement in the decision to approve the deal.

The Hill reported earlier this month that when the Committee on Foreign Investments in the United States (CFIUS), which approves potentially sensitive foreign investments, approved the uranium sale, the FBI was already investigating wrongdoing by Russian officials and whether the country was trying to gain influence in the U.S. nuclear sector.