Republican presidential hopefuls are to set square off once again. Tonight, FOX Business Network holds the first debate of 2016 in North Charleston, South Carolina.

At 6pm ET, former Governor Mike Huckabee, former Senator Rick Santorum and Carly Fiorina will take the stage for a debate moderated by FOX Business Network's Sandra Smith and Trish Regan.

At 9pm ET, Donald Trump, Senator Ted Cruz, Senator Marco Rubio, Ben Carson, Governor Chris Christie, former Governor Jeb Bush and Governor John Kasich. It will be moderated by FOX Business Network's Neil Cavuto and Maria Bartiromo.

CLICK HERE for FOX News Radio LIVE COVERAGE of the FOX Business Network GOP debates