As of 5:30 p.m. Friday, Arizona House Speaker Andy Tobin maintained a 366-vote lead over rancher Gary Kiehne for the Republican nomination in the 1st Congressional District, with ballots yet to be counted.
Whoever finally wins, will face Democratic Rep. Ann Kirkpatrick in the November General election..
The swing district runs from Flagstaff to the northern Tucson suburbs.
All other congressional races in Tuesday’s primary election have been decided.