PRESIDENT Trump has accused Pete Buttigieg and Amy Klobuchar of setting up a "quid pro quo" arrangement with Joe Biden.
Trump's blistering comments come after Buttigieg and Klobuchar dropped out of the presidential race and threw their support behind Biden against Bernie Sanders.
The President speculated that the pair would get high-profile positions in a Biden administration.
"It's rigged against Bernie, there's no question about it," Trump told reporters, according to .
"That's called quid pro quo, right? Quid pro quo."
Trump may have been tweaking Democrats, who alleged that the President secured a quid pro quo by asking the Ukraine president to look into the Biden family.
Trump was eventually impeached but not booted out of office.
Buttigieg, the former mayor of South Bend, Indiana, announced his decision to drop out of the race on Sunday night.
The President quickly waded in with his thoughts, writing on Twitter: "Pete Buttigieg is OUT. All of his SuperTuesday votes will to Sleepy Joe Biden. Great timing. This is the REAL beginning of the Dems taking Bernie out of play - NO NOMINATION, AGAIN!"
Trump insinuated that the move was part of a plot by moderate Democrats to edge out the progressive Senator from the race.
"They are staging a coup against Bernie!" he tweeted this afternoon.
Buttigieg had previously stated he thought Sanders was too liberal to be elected to the White House.
Buttigieg dropping out is likely to harm Sanders’ chances of becoming the Democrat nomination for the White House with more moderate voters now putting their support behind figures like Biden.
A day after he dropped out, and endorse Biden, a move that many believe is an attempt to unify moderate voters.
She'll join the former vice president at his rally in Dallas, Texas Monday night, according to her campaign.
At a Monday morning rally in Salt Lake City, Utah, she told supporters: "Remember what unites us is bigger than what divides us in our party, and really in our country.
The decision by Buttigieg came just days before Super Tuesday when voters in 14 states head to the polls, which accounts for one-third of all delegates for the nomination will be at stake.
Biden secured a big win in the South Carolina primary, reducing Sanders’ delegate lead over him from 30 to eight.
With 54 delegates at stake in South Carolina, the former VP picked up 35 to Sanders’ 13.
Six delegates remained to be allocated pending the final count.
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Ahead of Super Tuesday, Sanders led the Democrat contest for delegates with 58 but Biden had closed the gap with 50.
Elizabeth Warren had eight and Amy Klobuchar had seven.
Hopefuls need 1,991 delegates to win.
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