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's attorney, Rudy Giuliani, on Thursday sought to clarify widely publicized comments he made about possible collusion between President Trump's campaign and Russia, saying that he had "no knowledge" of it taking place.

“There was no collusion by President Trump in any way, shape or form,” Giuliani said in a statement to The New York Times. “Likewise, I have no knowledge of any collusion by any of the thousands of people who worked on the campaign.”

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He also argued that “the only knowledge I have in this regard is the collusion of the [Hillary] Clinton campaign with Russia, which has so far been ignored.”

Giuliani drew attention on Wednesday night by claiming that he "never said there was no collusion" between the Trump 2016 campaign and Moscow.

“I never said there was no collusion between the campaign or between people in the campaign," Giuliani said on CNN's "Cuomo Prime Time," before adding that he has only said Trump did not collude with the Russians.

"There is not a single bit of evidence the president of the United States committed the only crime you could commit here, conspiring with the Russians to hack the [Democratic National Committee]," Giuliani said.

He later asserted that if collusion did occur, "it happened a long time ago.”

His comments came as 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 continues his probe into Russia's election interference and potential collusion between the Trump campaign and Moscow. Mueller is also looking into possible obstruction of justice by Trump.

Trump has repeatedly criticized the investigation, often referring to it as a "witch hunt."

The White House did not immediately respond to a request for comment on Giuliani's remarks.