PHOENIX -- Two Republican candidates vying to be governor of Arizona have filed necessary signatures to get on the ballot.
State treasurer Doug Ducey and former Congressman Frank Riggs each filed nominating petitions to get on the Aug. 26 primary ballot on Tuesday.
They join four other Republican candidates. The others are former Mesa Mayor Scott Smith, Secretary of State Ken Bennett, former Go Daddy executive Christine Jones and former Maricopa County Attorney Andrew Thomas.
Fred Duval is the only candidate in the Democratic primary and filed his petitions on May 8.
Ducey and Riggs filed about 16,630 and 10,400 signatures each. The final day for filing is Wednesday.