Former Republican presidential candidate Ben Carson on Monday predicted that the Republican Party would face "absolute destruction," including the loss of the House and Senate, if businessman Donald TrumpDonald TrumpPence: Supreme Court has chance to right 'historic wrong' with abortion ruling Prosecutor says during trial that actor Jussie Smollett staged 'fake hate crime' Overnight Defense & National Security — US, Iran return to negotiating table MORE is not its presidential nominee. 
 
"If there are shenanigans, if it's not straightforward, all of those millions of people that Donald Trump has brought into the arena are not going to stay there," Carson, who has endorsed Trump, said on "Fox and Friends."
 
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"The Republicans are going to lose, and it's going to be not only the presidency, but it's going to be the Senate, and it could even be the House. It's going to be absolute destruction," he added.
 
Carson has previously predicted "turmoil" if Trump is denied the nomination, while the candidate himself caught flak after suggesting there would be "riots" if he was not the nominee.
 
Sen. Ted CruzRafael (Ted) Edward CruzOvernight Defense & National Security — US, Iran return to negotiating table Senate GOP blocks defense bill, throwing it into limbo On The Money — Biden stresses calm amid omicron fears MORE (R-Texas) and Ohio Gov. John Kasich, Trump's final rivals for the nod, are trying to deny him the 1,237 delegates needed to lock up the nomination. They hope this would force a contested convention in Cleveland this July that could end with one of them as the GOP nominee.
 
If no candidate secures the required number of delegates on the first ballot at the convention, subsequent balloting would be used to determine the nominee.