President Donald Trump endorsed former Navy SEAL captain Ed Gallrein in a primary run against U.S. Rep. Thomas Massie.

Trump called Massie a "pathetic loser" earlier this year and vowed to back a GOP candidate to oust him from office.

This story has been updated with new information.

A Republican endorsed by President Donald Trump before he even announced officially jumped into the GOP primary Oct. 21 against Northern Kentucky's U.S. Rep. Thomas Massie, a Republican who has butted heads with Trump for years.

Republican Ed Gallrein – who bills himself as a fifth-generation farmer and career military man on his website – announced that he would "deliver America First results for Kentucky."

"This is Trump Country – but Thomas Massie is blocking the President’s agenda. I'll stand shoulder

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