8:45 PM: Jeb Bush has suspended his campaign.
7:30 PM: Donald Trump wins the South Carolina primary. Marco Rubio and Ted Cruz battle for second as Bush, Kasich and Carson finish at the bottom.
7:27 PM: Cruz, Trump and Rubio are battling for first as Kasich, Bush, and Carson round out the bottom three.
7:07 PM: Exit polling shows Donald Trump dominating among voters who want an outside candidate. Ted Cruz took the lead on the issue of representing voter values.7:00 PM: Polls in South Carolina are officially closed as GOP candidates anxiously wait for results.