Roth clinches Hawaii Island mayoral seat

Mitch Roth talks with his wife, Noriko Roth, center and Audrey Takamine while waiting for election results in Hilo on Tuesday. (Kelsey Walling/Hawaii Tribune-Herald)

Ikaika Marzo plays music for his supporters election night at the Kona Country Club. (Laura Ruminski/West Hawaii Today)

Ikaika Marzo addresses supporters Tuesday evening at the Kona Country Club. (Laura Ruminski/West Hawaii Today)

Mitch Roth addresses backers in Hilo Tuesday. (Nancy Cook Lauer/West Hawaii Today)

Mitch Roth gives a thumbs-up to supporter Gay Mathews while waiting for election results for Hawaii's mayoral race in Hilo on Tuesday. (Kelsey Walling/Hawaii Tribune-Herald)

Hawaii County Prosecutor Mitch Roth beat political newcomer Ikaika Marzo late Tuesday in the race to be the next mayor of Hawaii County.