Grijalva, 54, accumulated support from an array of powerful elected Democrats, including Arizona Sens. Mark Kelly and Ruben Gallego and national progressive leaders like Sen. Bernie Sanders, I-Vt. and Rep. Alexandria Ocasio-Cortez, D-N.Y.

Deja Foxx, a 25-year-old political content creator, was running on a progressive platform to become one of the youngest members of Congress.

WASHINGTON Reuters) -Establishment-backed Democrat Adelita Grijalva on Tuesday was set to win a primary to fill the U.S. House of Representatives seat in Arizona vacated by her late father, CNN projected.