Sen. Elizabeth WarrenElizabeth Ann WarrenSenate Dems introduce bill to prevent Trump from using disaster funds to build wall Klobuchar, O'Rourke visit Wisconsin as 2020 race heats up Sherrod Brown pushes for Medicare buy-in proposal in place of 'Medicare for all' MORE (D-Mass.) said Tuesday she is not yet ready to support the impeachment of President TrumpDonald John TrumpMcCabe says he was fired because he 'opened a case against' Trump McCabe: Trump said 'I don't care, I believe Putin' when confronted with US intel on North Korea McCabe: Trump talked to me about his election victory during 'bizarre' job interview MORE while special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE is conducting his probe.

"I'm not there," the senator told "The View" host Meghan McCain when asked if Democrats should push for impeachment if they take control of Congress after the November midterms. "Where I am is that we need this independent investigation without political interference."

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Warren has previously said she would be open to impeachment proceedings if the findings of Mueller's probe merited that action. She said Tuesday that the investigation must first be allowed to proceed.

"I take this very seriously. This is a serious constitutional move. My view on this is, protect the special prosecutor, let him finish his work without political interference," said the senator. "Let him make a full report to the American people and then collectively we can make the decision about what the appropriate next step is. It's Donald Trump who doesn't want Mueller to be able to continue an independent investigation and bring it to a conclusion."

The special counsel is also investigating whether Trump obstructed justice. Trump has blasted the probe as a "witch hunt."

A handful of liberal House Democrats have offered impeachment articles but leadership, including House Minority Leader Nancy PelosiNancy Patricia D'Alesandro PelosiThe national emergency will haunt Republicans come election season On unilateral executive action, Mitch McConnell was right — in 2014 National emergency declaration — a legal fight Trump is likely to win MORE (D-Calif.) has been critical of those efforts, worrying it could hurt the party in the midterms.