The primary election for the 3rd Congressional District of Arizona was held Tuesday.
Incumbent Raul Grijalva, who was first elected in 2002, received the Democratic nomination with a victory of write-in candidate Joshua Garcia.
Nicolas Pierson had a hefty lead over candidates Sergio Arellano and Edna San Miguel for the Republican nomination.
The 3rd District is located in the southern portion and southwestern corner of Arizona.
The general election is Nov. 6, 2018.