The first challenger to an incumbent Tucson City Council member filed his nominating petition signatures Tuesday.
Mike Polak, a Republican, aims to unseat Democratic Councilman Richard Fimbres in the Ward 5 race in November.
Polak, 45, is a Marine Corps veteran and California native who moved to Tucson four years ago while employed by Boeing.
He owns Desert Armory Gun Parts and Accessories.
Polak, who is seeking office for the first time, needed 69 signatures to qualify for the primary ballot. He turned in 131.
Seats in Wards 3, 5 and 6 are up this year. So far, no other candidates from any party have filed nominating petitions to run against the incumbents in Ward 3 and Ward 6.
Candidates have until May 29 to submit their signatures to the City Clerk's Office in order for their name to be printed on the Aug. 27 primary election ballot. The number of signatures required varies, depending on political party and ward.
Write-in candidates must register as such by July 18.