Pro-Trump GOP candidate Jeff Zink won Tuesday's primary in Arizona’s deep-blue 3rd Congressional District.

Zink defeated 29-year-old Jesús David Mendoza, a software engineer and political newcomer who ran as the more moderate Republican in the race.

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Zink, who unsuccessfully ran for the seat in 2022, previously made headlines for being one of the thousands of people who attended former President Trump’s Jan. 6, 2021 "Stop The Steal" rally, which was followed by a riot at the U.S. Capitol.

Despite the victory, he’s still a long shot candidate to win Arizona’s most heavily-Democratic congressional district.

The area is majority Latino and Hispanic, encompassing significant portions of Phoenix. 

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The nonpartisan Cook Political Report ranks it D+24, making it the most left-wing congressional district in Arizona.

It’s being vacated at the end of this year by Rep. Ruben Gallego, D-Ariz., who is running for Senate against Republican candidate Kari Lake in November.

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Gallego represented the district from the beginning of 2023, having previously held Arizona’s 7th Congressional District from 2015.

The progressive military veteran is expected to be formally named the Democratic candidate to succeed Sen. Kyrsten Sinema, I-Ariz., who is not seeking re-election.

Vice President Kamala Harris is the only presidential candidate who has qualified to run for the Democratic presidential nomination, the Democratic National Committee said Tuesday.

No other major Democrat had made any indication they planned to seek the party's nomination, but the DNC's announcement officially clears the path for the vice president to run unopposed for the nomination, according to The Associated Press.

This comes after President Biden announced he was suspending his re-election campaign.

The party's national convention delegates will vote to officially ratify the nominee in a new online voting procedure adopted by the party last week. Voting will begin Thursday and finish on Monday, the statement said, adding that votes for anyone other than Harris will be tallied as "present."

The Associated Press contributed to this report.