President TrumpDonald TrumpCuban embassy in Paris attacked by gasoline bombs Trump Jr. inches past DeSantis as most popular GOP figure in new poll: Axios Trump endorses Ken Paxton over George P. Bush in Texas attorney general race MORE's eldest son on Friday night declared that the ongoing probe into ties between the Trump campaign and Russia during the presidential contest is a "witch hunt."

“Obviously, this has been a witch hunt, probably the greatest since the Salem witch trials,” Donald Trump Jr.Don TrumpDonald Trump Jr. joins Cameo Book claims Trump family members were 'inappropriately' close with Secret Service agents Trump Jr. shares edited video showing father knocking Biden down with golf ball MORE told Fox News's Tucker Carlson. 

“The interesting thing about it is the only collusion, the only shadiness, the only thing that has been discovered is what the prior administration, the [Democratic National Committee] and all of them have done," he asserted.

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The comments follow a push by Republicans for the release of a memo that GOP lawmakers say will reveal high-level government abuse surrounding the probe into allegations of collusion between the Trump campaign and Russia's election meddling.

Trump Jr. has become a subject in the federal and congressional probes into the matter due to his June 2016 meeting with a Russian lawyer and other campaign officials at Trump Tower.

Emails revealed the president's son agreed to the meeting after he was told he would receive damaging information on then-Democratic presidential nominee Hillary ClintonHillary Diane Rodham ClintonA path to climate, economic and environmental justice is finally on the horizon Polling misfired in 2020 — and that's a lesson for journalists and pundits Biden flexes presidential muscle on campaign trail with Virginia's McAuliffe MORE

President Trump has referred to the probe as "the greatest witch hunt in American political history."