Republican Donald Trump and Democrat Hillary Clinton won their parties' primaries in Arizona Tuesday and maintained steep advantages in the presidential nominations race, despite victories by rivals in other states.
Trump extended his lead over nearest rival Ted Cruz in the all-important delegate race, although the arch-conservative senator from Texas made a night of it by resoundingly winning the Utah caucuses.
Trump corralled all 58 delegates at stake in winner-take-all Arizona, where he left Cruz and Ohio Governor John Kasich in his wake, and amid controversy over very long lines at polling stations.
But Cruz bounced back in neighboring Utah, as he appeared on track to winning the state by more than 50 percent, which means he secures all of its 40 delegates.
Following Tuesday's votes, Trump stood at 741 delegates, compared to 461 for Cruz and 145 for Kasich, according to a CNN tally.
Clinton was projected to finish the night with more than 1,700 delegates, compared with about 930 for Sanders.
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