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Trump-backed Senate candidate wins Republican primary in Louisiana

By Thomson Reuters Jun 28, 2026 | 1:42 PM

By Katharine Jackson

WASHINGTON, June 28 (Reuters) – U.S. Representative Julia Letlow has won the Republican nomination for Senate in Louisiana, according to state ​election results, capitalizing on an endorsement from ‌President Donald Trump after defeating a sitting senator who has repeatedly drawn the president’s ire.

In a runoff primary election held on Saturday, Letlow defeated state Treasurer John Fleming, according ‌to ​results posted on the Louisiana Secretary ⁠of State’s office ⁠website.

The two candidates faced off after a closely fought three-way battle with two-term Republican U.S. Senator Bill Cassidy, who lost his bid for re-election ​in May.

Letlow, who won Trump’s endorsement before she had even announced her candidacy, was congratulated by ⁠the president late on Saturday.

“Great ⁠News!!! Julia Letlow WON in Louisiana, ​beating conclusively a very strong and smart opponent. Congratulations ​to Julia. She will be a truly GREAT ‌Senator!” Trump said in a post on Truth Social.

Cassidy’s defeat came after he voted to convict Trump in the second Senate impeachment trial in 2021. ⁠At the Capitol last week, he got into a shouting match with Trump over the Iran war after voting ⁠in favor ‌of a resolution to halt military ⁠action against Iran.

Letlow, who once worked as ​an ‌educator and university administrator, was elected ​to Congress ⁠in 2021 in a special election to replace her late husband, Luke Letlow.

Letlow will face Democrat Jamie Davis, a farmer, in the general election and is heavily favored to win.

(Reporting by Katharine Jackson; Editing ​by Chris Reese)