Arizona's Rep. Raul Grijalva died in March at 77. His daughter, Adelita, is one step closer to taking up his mantle in Washington.

Democrat Adelita Grijalva and Republican Daniel Butierez dominated a field of congressional hopefuls Tuesday night to get one step closer to representing a wide swath of southern Arizona in Congress.

Adelita Grijalva cruised to victory in Tuesday's special primary election for Arizona's 7th Congressional District, dominating the five-candidate field, the Associated Press reported. Why it matters: The Democratic primary victory all but assures she'll win the U.

Adelita Grijalva, daughter of the late Congressman Raúl Grijalva, won Tuesday's Democratic primary in the special election to replace her father, and will advance to this fall’s general election.

Influencer Deja Foxx lost in her battle for Arizona’s seventh congressional district, which was recently made vacant by the death of the area’s longtime representative, Congressman Raúl Grijalva. Via Instagram

The next test of who Democratic voters want to see leading the party will take place Tuesday in southwest Arizona, where three leading candidates are offering competing visions in the primary to fill the late Rep.

Adelita Grijalva is the front-runner to replace her father in Congress but faces an unexpectedly competitive primary featuring a young social-media-savvy newcomer.