White House counselor Kellyanne ConwayKellyanne Elizabeth ConwayTrump embarks on Twitter spree amid impeachment inquiry, Syria outrage The Hill's Campaign Report: Biden camp faces new challenges Trump offers condolences on frequent foe Cummings: 'Very hard, if not impossible, to replace' MORE's husband George ConwayGeorge Thomas ConwayLawmakers, social media users praise photo of Pelosi confronting Trump George Conway accuses Trump of being a 'sociopath' George Conway donates to Trump challenger Joe Walsh MORE said Thursday that if a report detailing President TrumpDonald John TrumpZuckerberg launches public defense of Facebook as attacks mount Trump leaning toward keeping a couple hundred troops in eastern Syria: report Warren says making Israel aid conditional on settlement building is 'on the table' MORE's involvement in pressuring Ukraine's government to investigate former Vice President Joe BidenJoe BidenZuckerberg launches public defense of Facebook as attacks mount Graham: 'Stupid' for Trump to ask China to investigate Biden Romney: Republicans don't criticize Trump because they fear it will help Warren MORE is true, Trump should be impeached "without delay."

The conservative lawyer and frequent critic of the president tweeted out a report from The Independent that detailed a phone call between Trump and Ukraine's president suggesting that U.S.-Ukraine relations would improve if the Biden investigation was launched.

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The Independent reported Thursday that House lawmakers are looking into a July phone call between Trump and Ukraine's new president, Volodymyr Zelensky, during which Trump allegedly pressured Zelensky to launch the probe.

Trump and his allies have been calling for months for an investigation into Biden's connections to Ukraine following a New York Times report detailing how the former vice president allegedly threatened to withhold $1 billion in U.S. loan guarantees in 2016 until Ukraine removed a prosecutor looking in to a company at which his son served as a board member.

Former New York City Mayor Rudy GiulianiRudy GiulianiHurd: No Ukrainian officials have told State Department 'they felt like their arms were being twisted' House Democrat pledges 'there will be open hearings' in impeachment inquiry Combatting fake news on social media will take a village MORE, who serves as one of Trump's attorneys, announced plans to go to Ukraine earlier this year to press for the investigation but eventually canceled his trip.

The Washington Post first reported late Wednesday evening that a whistleblower had filed a complaint with the intelligence community's inspector general after Trump allegedly made a troubling "promise" to a foreign leader. 

Trump has dismissed the Post's report as "fake news."

"Virtually anytime I speak on the phone to a foreign leader, I understand that there may be many people listening from various U.S. agencies, not to mention those from the other country itself. No problem!" Trump tweeted Thursday morning.

"Knowing all of this, is anybody dumb enough to believe that I would say something inappropriate with a foreign leader while on such a potentially 'heavily populated' call," he continued. "I would only do what is right anyway, and only do good for the USA!"