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 on Tuesday said he doesn't want current and former White House aides to testify in front of Congress following the release of 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’s report.

In an exclusive interview with The Washington Post, Trump said complying with further investigations was not necessary after the White House cooperated with Mueller’s investigation into Russia's interference in the 2016 presidential election and possible obstruction of justice by Trump.

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“There is no reason to go any further, and especially in Congress where it’s very partisan — obviously very partisan,” Trump said.

The comments come amid reports that the White House is preparing to go to legislative war with several House committees as they continue their sprawling probes into the Trump administration.

White House officials are reportedly planning to exert executive privilege after the House Judiciary Committee filed a subpoena for testimony and documents from former White House counsel Don McGahn, who was known to have a contentious relationship with Trump and played a starring role in Mueller’s report.

The administration directed former security clearance official Carl Kline to ignore a subpoena from the House Oversight and Reform Committee regarding its probe into the White House security clearance process. The direction prompted a threat from Chairman Elijah Cummings Elijah Eugene CummingsBlack GOP candidate accuses Behar of wearing black face in heated interview Overnight Health Care: US won't join global coronavirus vaccine initiative | Federal panel lays out initial priorities for COVID-19 vaccine distribution | NIH panel: 'Insufficient data' to show treatment touted by Trump works House Oversight Democrats to subpoena AbbVie in drug pricing probe MORE (D-Md.) to hold Kline in contempt of Congress.

The Treasury Department also missed a second deadline to hand over six years of the president’s tax returns.

The newest back-and-forth between the two ends of Pennsylvania Avenue has brought the White House’s relationship with Capitol Hill into arguably its most combative position to date.

Trump told the Post that he has not yet made a decision regarding exerting executive privilege over testimony from aides already called upon by Congress, though two officials familiar with internal plans said White House lawyers intend to use the tool to bar congressional testimony.

“I don’t want people testifying to a party, because that is what they’re doing if they do this,” Trump said.

“I allowed my lawyers and all the people to go and testify to Mueller — and you know how I feel about that whole group of people that did the Mueller report,” Trump added. “I was so transparent; they testified for so many hours. They have all of that information that’s been given.”

However, Democrats appear emboldened in their investigative efforts in the aftermath of the Mueller report. While the party remains divided on impeachment, with its upper echelons expressing skepticism about the prospect, House Democrats are united in their resolve to find answers to lingering questions from the special counsel’s probe.

“As to the President’s conduct, we will scrupulously assert Congress’ constitutional duty to honor our oath of office to support and defend the Constitution and our democracy. That includes honoring the Article I responsibility of the legislative branch to conduct oversight over the other branches of government, unified in our search for the truth and in upholding the security of our elections,” Speaker Pelosi (D-Calif.) wrote in a letter to her colleagues Monday.

While Mueller found insufficient evidence of coordination between the Trump campaign and Moscow to bring charges, he neither implicated nor exonerated the president regarding obstruction of justice, saying that while he found 10 “episodes” of possibly obstructive behavior, Congress would ultimately decide whether to charge Trump in light of Justice Department guidelines that sitting presidents cannot be indicted.