In a closely watched race, incumbent Sen. Rick Scott will be battling it out with former Democratic congresswoman Debbie Mucarsel-Powell to maintain his seat in the U.S. Senate.

The U.S. Senate race in Florida, pitting incumbent Republican Sen. Rick Scott against Democratic challenger Debbie Mucarsel-Powell, has drawn national attention.

With Democrats defending twice as many Senate seats as Republicans, a loss in Ohio would jeopardize Democrats’ narrow majority. Polls have shown a close race between the two candidates. Ad spending topped $400 million in early October,