5 Things To Know About Tonight's GOP Debate

Ten Republican presidential candidates will take the stage Thursday night for the first GOP debate, co-hosted by Fox News and Facebook.

Here are five things to to know leading up to the first showdown:

Who is participating: Republican presidential candidates Donald Trump, Jeb Bush, Scott Walker, Mike Huckabee, Ben Carson, Ted Cruz, Marco Rubio, Rand Paul, Chris Christie and John Kasich.

When does it start: The two-hour debate starts at 9 p.m.

How to to watch: The debate will be aired live on Fox News and Fox News Radio, as well as Foxnews.com

Where is it held: Quicken Loans Arena in Cleveland, Ohio

Who are the moderators? Fox News anchors Bret Baier, Megyn Kelly and Chris Wallace will moderate the debate, which will feature Facebook data illustrating how the issues of the day are resonating with people. Fox News viewers and Facebook users will also be able to share images and video questions via Facebook, some of which will be used to help formulate questions for the candidates and broadcast during the debate, the network said in a statement.