Internal tensions over whether to impeach President Donald Trump are brewing among House Democrats, and more members are openly coming out in favor of impeachment with every passing day.

A whistleblower complaint involving a phone call exchange between Trump and Ukrainian President Volodymyr Zelensky reinvigorated calls for a formal impeachment inquiry, or, at the very least, stirred up support for various investigations being conducted by House committees.

House Speaker Nancy Pelosi announced Tuesday that the House would pursue an official impeachment inquiry, as well as continue investigations into the President.

Here are the 180 currently-serving House Democrats and other major Dems who have openly come out in favor of beginning an impeachment inquiry.

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Internal tensions over whether to impeach President Donald Trump are brewing among House Democrats — and more members are openly coming out in favor of impeachment with every passing day.

A whistleblower complaint involving a phone call exchange between Trump and Ukrainian President Volodymyr Zelensky compelled some House Dems to call for a formal impeachment inquiry, or, at the very least, stirred up support for various investigations being conducted by House committees.

House Speaker Nancy Pelosi announced Tuesday that the House would pursue an official impeachment inquiry into Trump amid the whistleblower scandal, as well as continue investigations into the President.

CNN reported that the House Democrats are nearing a "tipping point" on impeachment, but House Speaker Nancy Pelosi has so far resisted moving forward with impeachment proceedings until the substance of Trump's call with the Ukranian leader is made clear.

The Mueller report's impact

Rep. Rashida Tlaib of Michigan introduced a resolution in favor of impeachment in late March with just a few cosponsors, but the release of special counsel Robert Mueller's report from his nearly two-year-long investigations and its aftermath increased the appetite for impeaching Trump and the recent whistleblower complaint also put pressure on Democrats.

Mueller's report did not come to a "traditional prosecutorial decision" as to whether Trump obstructed the Mueller probe and other federal investigations involving him, but laid out 11 possible incidents of obstruction and left it to Congress to decide.

The fervor for impeachment has only intensified as the Trump administration ramped up its stonewalling of Congress' attempts to investigate Trump since the report's release.

Read more: The DOJ agreed to turn over key evidence from Mueller's obstruction case one day before a scheduled contempt vote against AG William Barr

On May 29, Mueller gave a press conference at the DOJ announcing his formal resignation, re-iterating the conclusions of his report's findings, and declining to voluntarily testify before Congress.

Mueller made it explicitly clear that the report did not exonerate Trump, and that his office had no ability to charge Trump with a crime given existing DOJ policy prohibiting prosecutors from indicting a sitting president — leaving the next steps up to Congress.

Democratic leaders came under more pressure to consider impeachment when Rep. Justin Amash of Michigan, a former Republican turned Independent, risked his seat and his political career to call for impeaching Trump.

Here are the 180 currently-serving House Democrats and other major Dems who have openly come out in favor of beginning an impeachment inquiry against Trump.