Rep. Julia Letlow will advance to a runoff in the Louisiana Republican Senate primary, CNN’s Decision Desk projects. Letlow is challenging Sen. Bill Cassidy with the support of President Donald Trump.

That’s the biggest question on Saturday’s primary election ballot, with polls showing that Cassidy may not finish first or second in the Republican Senate primary to keep alive his hopes of winning a third term in the Senate.

Republican U.S. Senate candidate John Fleming accuses Gov. Jeff Landry of orchestrating a controversial AI-generated attack ad as Louisiana voters prepare to head to the