ALBUQUERQUE, N.M. -- Prosecutor Susana Martinez has won the Republican nomination for New Mexico governor.

She'll face Democrat Diane Denish in a general election race deciding who becomes New Mexico's first female governor.

It will be the third woman-against-woman gubernatorial general election match-up in U.S. history.

Martinez, the Dona Ana County district attorney, won a five-way contest for the GOP nomination Tuesday night with 51 percent of the vote in unofficial returns and nearly half of precincts reporting.

Former state GOP chairman Allen Weh had 29 percent.

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