According to The Hill:
“Republican presidential candidate Donald Trump is calling rival Ted Cruz “dirty” for starting a rumor about Ben Carson’s campaign ending after the Iowa caucuses.
“[Ted Cruz] insulted Ben Carson,” the billionaire said at a news conference before a campaign rally in Milford, N.H. “What he did to Ben Carson was a disgrace.”
Trump also accused Cruz of insulting the people of Iowa when he sent out a voter violation mailer before the caucuses.
When asked if he thought Cruz was running a dirty campaign, Trump responded that his rival “certainly was dirty. What he did to Ben Carson was terrible,” Trump said.”