Louisiana State Treasurer John Fleming announced a bid to unseat Sen. Bill Cassidy, a Republican who voted to convict following the House impeachment vote against former President Donald Trump in the wake of the Jan. 6, 2021 Capitol riot.
Fleming, a former U.S. congressman, was one of the founders of the conservative House Freedom Caucus, according to a press release about his Senate bid.
"Senator Cassidy has failed the people of Louisiana," Fleming said, according to the press release.
"I will fight to bring real, conservative solutions to the U.S. Senate, I will not cut-and-run on these conservative principles, and I will stand and work with President Trump like I have many times before," he declared.
Fox News Digital attempted to request comment from the senator.
Fleming held posts in Trump's prior administration.
"I cannot fully express the deep sense of pride I have, having served President Trump in the West Wing of the White House as he was literally fighting for his political life against those who were attacking him and turning their backs on him," Fleming noted, "but the opportunity to stand with him for the principles of America First is why I seek to serve the citizens of Louisiana in the United States Senate."
Trump endorsed Cassidy for re-election in 2020, before the lawmaker became one of the Senate Republicans who voted to convict after the House impeachment vote against Trump in early 2021.
That Senate vote took place after Trump had already departed from office, and the number of senators who voted to convict failed to reach the threshold necessary for a conviction.
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Trump lambasted Sen. Cassidy in posts on Truth Social earlier this year.
"One of the worst Senators in the United States Senate is, without question, Bill Cassidy, A TOTAL FLAKE, Republican though he may be," Trump declared on April 1.
"Bill Cassidy is now shunned in his own State as a disloyal lightweight, and it’s a beautiful thing to watch," Trump declared in another post.
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Cassidy's current U.S. Senate term ends in early 2027.
Fleming previously ran unsuccessfully for Senate in 2016.
