Democratic Representatives Ilhan Omar of Minnesota and Rashida Tlaib of Michigan have been the first congressional lawmakers to sign a pledge to impeach President Donald Trump.

By The People, an advocacy group calling on Congress to support impeachment efforts, announced on Tuesday that Ms Omar and Ms Tlaib signed a “Pledge to Impeach” the president.

The aides of both freshman representatives confirmed that they signed the pledge.

Denzel McCampbell, a spokesman for Ms Tlaib, said “the congresswoman believes that Donald Trump has performed many actions that should bring forth impeachment.”

Both of the Muslim women lawmakers are seen signing the pledge in a video shared by By the People.

“Tick tock Individual 1”, Ms Tlaib says in the video, referencing to an individual listed in special counsel Robert Mueller’s court filings believed to be Mr Trump.

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“We’re going to hold everyone accountable to the law, including the president of of the United States,” she added.

Ms Omar is seen in a separate video posted on the advocacy group’s social media pages.

“I think there will be an opportunity once the Muller investigation is finished for us to know,” Ms Omar said in the video.

By the People insists the pledge is “not an issue of Republicans vs Democrats,” but rather about holding “the flagrant abuse of presidential power” accountable.

“This is not an issue of Republicans vs. Democrats,” By the People spokesperson Alexandra Flores-Quilty said in a statement. “It’s about checking the flagrant abuse of presidential power from a white supremacist who is profiting off of the presidential office, abusing his powers, and undermining our democracy and our Constitution.”

Ms Tlaib has not been shy about her thoughts on impeachment. On her first day in Congress, the Michigan Democrat wrote an op-ed in the Detroit Free Press calling for Mr Trump’s impeachment.

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She also received criticism for saying, in front of her supporters, that “we’re going to go in and impeach the mothef***er,” just a few hours after being sworn-in to office.