Some McCain supporters move to Huckabee, thwarting Romney.
Huckabee 52, Romney 47. Read more here.
Romney had led after first round of voting.
Response from Romney campaign manager Myers: "Unfortunately, this is what Senator McCain's inside Washington ways look like: he cut a backroom deal with the tax-and-spend candidate he thought could best stop Governor Romney's campaign of conservative change." Read full statement.
Huckabee camp criticizes Romney for "whining" about loss.
Romney, Huckabee and Paul courted the state's party convention, with an eye on its 18 seats to the national convention.
