Donald Trump Takes Arizona; Ted Cruz Wins Utah

Donald Trump has been declared the winner of one of the two states choosing Republican presidential candidates today -- Arizona, whose 58 delegates are all awarded to the primary winner, cementing Trump's front-runner status.

Hours later, U.S. Sen. Ted Cruz of Texas was declared winner of the Utah caucus, claiming that state's 40 delegates.

With 72 percent of precincts Arizona precincts reporting, the billionaire businessman has 47 percent of the vote, Cruz 24 percent, Florida Sen Marco Rubio 14 percent (due largely to early voting, as he dropped out of the presidential race last week), and Ohio Gov. John Kasich 10 percent, NBC News reports.

In Utah, Cruz was announced as the winner about 11:30 p.m. Pacific time. Wioth 32 percent of precincts reporting at that hour, he had 71 percent of the vote, Kasich 16 percent, and Trump 13 percent. Utah's 40 delegates are winner-take-all if a candidate gets more than 50 percent of the vote.

Trump still leads the field with 739 delegates, according to AP. Cruz has 425 and Kasich 143. A total of 1,232 are needed to win the nomination.

This story is developing. Check back for updates.