Ted CruzRafael (Ted) Edward CruzSenators near deal on sexual harassment policy change Senate GOP urges Trump administration to work closely with Congress on NAFTA Five Republican run-offs to watch in Texas MORE’s presidential campaign is rejecting Ben CarsonBenjamin (Ben) Solomon CarsonDems expand 2018 message to ‘draining the swamp’ This is how Republicans should shape message to win elections Dems to target GOP corruption in midterms: report MORE’s assertion that it torpedoed his chances in Iowa’s Republican caucuses Monday night.

“On the Ben Carson allegation, it’s just false,” said Rick Tyler, the Cruz campaign’s communications director, on MSNBC’s "Morning Joe." "We simply as a campaign repeated what Ben Carson had said in his own words,” he continued. "That’s not a dirty trick."

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“He said after Iowa he was going to go back to Florida for a couple of days and then he was going to go to D.C. for the prayer breakfast,” Tyler added. "And what that told us was he was not going to New Hampshire.

“That was really surprising by a campaign who was once leading in Iowa saying he’s not going to come to New Hampshire. That’s a news item.”

Carson criticized his Republican presidential rivals, without naming names, for “dirty tricks” in Iowa.

The retired neurosurgeon lashed out following tweets from Rep. Steve King (R-Iowa), who also serves as co-chairman of Cruz’s national campaign. King said departing Iowa is “the equivalent” of suspending an Oval Office bid after Carson returned home to Florida that evening.

Tyler also argued that GOP presidential front-runner Donald Trump made several decisions that blunted his own Iowa momentum.

“It hurt him,” he said of Trump’s decision to skip the last Republican presidential debate before the Iowa contest. "I don’t think it hurt him badly, but it definitely hurt him.”

Tyler then charged that Sarah Palin’s endorsement of the outspoken billionaire last month did not boost his standing with voters.

“[It gave him] no real bump,” he said of the backing from the former Republican vice presidential nominee.

Cruz celebrated his win in Iowa as a “victory for the grass roots” late Monday after conquering the first-in-the-nation caucuses there.