Ten Electoral College electors have asked U.S. intelligence officials for more information on ongoing investigations surrounding President-elect Donald TrumpDonald TrumpTrump hails Arizona Senate for audit at Phoenix rally, slams governor Arkansas governor says it's 'disappointing' vaccinations have become 'political' Watch live: Trump attends rally in Phoenix MORE’s relationship with Russia.

The group of electors, which includes the daughter of House Democratic Leader Nancy Pelosi (Calif.), wrote an open letter to Director of National Intelligence James Clapper asking for the information ahead of their Dec. 19 meeting to formally vote for the next president.

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“The Electors require to know from the intelligence community whether there are ongoing investigations into ties between Donald Trump, his campaign or associates, and Russian government interference in the election, the scope of those investigations, how far those investigations may have reached, and who was involved in those investigations,” the letter read. “We further require a briefing on all investigative findings, as these matters directly impact the core factors in our deliberations of whether Mr. Trump is fit to serve as President of the United States.”

Nine Democrats and one Republican signed the letter. The Republican, Christopher Suprun, has said that he won't vote for Trump when the Electoral College meets.

The Monday letter comes three days after The Washington Post reported that the CIA believes Russian hackers obtained and released, via WikiLeaks, Democratic National Committee emails to sway the election for Trump. Also on Monday, Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellHouse Democrats grow frustrated as they feel ignored by Senate Democrats question GOP shift on vaccines Has Trump beaten the system? MORE (R-Ky.) rejected Sen. John McCainJohn Sidney McCainMeghan McCain on Pelosi, McCarthy fight: 'I think they're all bad' Democrats seek to counter GOP attacks on gas prices Biden nominates Jeff Flake as ambassador to Turkey MORE's (R-Ariz.) call for a special panel to investigate Russian election interference.