Senate Majority Leader John Thune and National Republican Senatorial Committee Chair Tim Scott (R-S.C.) endorsed Rep. Kevin Hern’s bid for the open Senate seat in Oklahoma to replace Sen. Markwayne Mullin on Thursday, as Republicans look to avoid a messy primary in the red-leaning state.

Thune called Hern a “proven conservative leader” and supporter of their shared Republican agenda. “He will be a great asset in the Senate and has my full support and endorsement,” Thune said in a statement.

The seat is open after President Donald Trump tapped Mullin to replace Kristi Noem as Department of Homeland Security secretary.

Trump had previously…

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