Incumbent GOP Sen. Bill Cassidy, who had occasionally broken with the Trump administration, lost his bid for a third term.

Julia Letlow ousted Sen. Bill Cassidy Saturday in Louisiana’s hotly contested Republican Senate primary. State Treasurer John ...

Sen. Bill Cassidy, a Louisiana Republican, has lost his bid for a third term in a remarkable defeat, after two primary ...

U.S. Rep. Julia Letlow advanced to a runoff in Louisiana's Republican Senate primary Saturday, capitalizing on the power of President Donald Trump's endorsement. State Treasurer John Fleming came in ...

Congresswoman Julia Letlow and state Treasurer John Fleming will face each other in the Republican U.S. Senate primary runoff ...

Rep. Julia Letlow will compete in a Republican Senate primary runoff in Louisiana, NBC News projects. The question is whether ...

U.S. Rep. Julia Letlow advanced to a runoff in Louisiana’s Republican Senate primary Saturday, capitalizing on the power of ...

Julia Letlow and John Fleming advanced to a Republican runoff for U.S. Senate as Louisiana voters rejected all five proposed ...

A challenger backed by Trump, Louisiana Rep. Julia Letlow, and State Treasurer John Fleming are headed to a runoff.

Julia Letlow and John Fleming advance to a runoff for the Republican Senate nomination in Louisiana, following a primary ...

Sen. Bill Cassidy tenure ends after being edged out of U.S. Senate runoff ...