Candidates lined up to replace incumbent Rep. Martha McSally's (R) seat in Arizona's 2nd Congressional District in this year's primary election.
Tucson Hispanic Chamber CEO Lea Marquez Peterson won the Republican nomination over Brandon Martin, Danny Morales, and Casey Welch after a close race Tuesday night.
The 2nd District is located in the southeastern corner of Arizona and includes Cochise County and part of Pima County.
The general election is November 6, 2018.
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