Voters head to the polls in Nevada,South Carolina

The race to the White House entered its third round Saturday, with Republicans voting in their first southern primary in South Carolina and Democrats choosing between Hillary Clinton and Bernie Sanders in Nevada.

Voters streamed to the polls in South Carolina after they opened at 7:00 am, in what is likely to be an important test of strength for frontrunner Donald Trump.

Pre-vote surveys showed the billionaire businessman with a big lead over five Republican rivals in the Palmetto State.