Vice President Pence and Secretary of State Mike Pompeo Michael (Mike) Richard PompeoTreasury sanctions individuals, groups tied to Russian malign influence activities Navalny released from hospital after suspected poisoning Overnight Defense: Pentagon redirects pandemic funding to defense contractors | US planning for full Afghanistan withdrawal by May | Anti-Trump GOP group puts ads in military papers MORE both reportedly urged President 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 to clarify remarks he made Monday in a joint press conference with Russian President Vladimir Putin and express support for the findings of U.S. intelligence agencies.

A source familiar with a three-way conversation between Pence, Pompeo and Trump in the Oval Office on Tuesday told NBC News that the two urged the president to "make clarifications" on his statements Monday in which he appeared to reject the conclusion of the U.S. intelligence community that Russia interfered during the 2016 presidential election.

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Trump later told reporters at the White House on Tuesday afternoon that he misspoke during his comments alongside Putin in Helsinki. The president maintained that he meant to say that he didn't see any reason why it "wouldn't" be Russia that had interfered in the election, after saying he couldn't see why it "would be" Russia.

"I have felt very strongly that while Russia's actions had no impact at all on the outcome of the election, let me be totally clear in saying...that I accept our American intelligence community's conclusion that Russia's meddling in the 2016 election took place," the president said Tuesday, adding that he had "full faith and support" for U.S. intelligence agencies.

A State Department spokesperson declined to comment about the NBC report. A spokesperson for Pence didn't immediately return The Hill's request for comment on Tuesday.

Trump's initial remarks made while standing next to Putin caused widespread outrage in Washington, earning condemnations from Republicans including Sen. John McCain John Sidney McCainThe Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' Cindy McCain: Trump allegedly calling war dead 'losers' was 'pretty much' last straw before Biden endorsement MORE (Ariz.) and many Democrats, some of whom called for the president's impeachment.

Trump on Tuesday appeared to still leave open the possibility that Russia was not involved in meddling in the 2016 election, telling reporters that it "could be other people also, there’s a lot of people out there."

The president nevertheless pledged to confront future Russian attempts to meddle in U.S. political activities, including the upcoming November midterms.

"We’re doing everything in our power to prevent Russian interference in 2018," he said.