The AP is reporting that Mitt Romney has won the Nevada caucuses (via Gateway Pundit):

Republican Mitt Romney won Nevada's caucuses Saturday while John McCain and Mike Huckabee dueled in the South Carolina primary, a campaign doubleheader likely to winnow the crowded field of presidential rivals.

Democrats shared the stage in Nevada, where Hillary Rodham Clinton and Barack Obama vied for a caucus victory and the campaign momentum that goes with it.

THIS IS A BREAKING NEWS UPDATE. Check back soon for further information. AP's earlier story is below.

LAS VEGAS (AP) -- Republican Mitt Romney easily cruised to victory in the barely contested Nevada caucuses, putting another notch in his win column and adding more delegates to his pile. Across the country, his rivals battled in a hard-fought South Carolina primary.