A spokesman for the Kremlin expressed concern that the U.S. could publish transcripts of calls between President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE and Russian President Vladimir Putin Vladimir Vladimirovich PutinWatchdog confirms State Dept. canceled award for journalist who criticized Trump Former intelligence agency director Robert Cardillo speaks out against 'erratic' Trump Kremlin: Putin calls for reset between US and Russia on cyber relations before elections MORE following the publication this week of a readout of a call between Trump and Ukrainian President Volodymyr Zelensky.

The Associated Press reported that a Kremlin spokesman told reporters on a press call that such an action could harm already "troubled" U.S.-Russia relations.

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“We would like to hope that it wouldn’t come to that in our relations, which are already troubled by a lot of problems," said Dmitry Peskov.

“The materials related to conversations between heads of states are usually classified according to normal international practice,” he added.

A spokeswoman for Russia's foreign ministry also reportedly ripped into Democrats including Speaker Nancy Pelosi Nancy PelosiDemocratic senator to party: 'A little message discipline wouldn't kill us' Overnight Health Care: New wave of COVID-19 cases builds in US | Florida to lift all coronavirus restrictions on restaurants, bars | Trump stirs questions with 0 drug coupon plan Overnight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds MORE (D-Calif.), accusing them of turning the U.S. into a laughingstock.

“Is it the Democrats’ job to make a laughingstock of the United States?” she asked, according to the AP. “It’s exactly what Ms. Pelosi has done to Congress, the White House and other state institutions.”

The publication of the readout of Trump's call with Zelensky has added fuel to Democrats' pressing for impeachment proceedings, which Pelosi announced on Tuesday.

Democrats have accused Trump of improperly pressuring Zelensky to launch an investigation into former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE after bringing up military aid during his call with the Ukrainian leader.

Republicans and allies of the White House have denied that Trump was involved in any wrongdoing, and argue that no language exists in the readout indicating that Trump exerted pressure on Zelensky to launch the probe.

Biden remains the top contender in the Democratic Party's 2020 presidential primary and has accused Trump of abusing the office of the presidency to attack his family while denying any wrongdoing himself.