From CBS News, updated around 10.25 pm ET:
With the doors closed at caucus precincts across Nevada, CBS News projects that Mitt Romney has won the Nevada Republican caucuses by a sizable margin, giving him his third victory in the race for the Republican presidential nomination.
With 148 of 1,835 precincts reporting, Romney has 41 percent of the vote. Former House Speaker Newt Gingrich, with 25 percent, and Rep. Ron Paul, with 22 percent, are battling for second place. Former Sen. Rick Santorum has 13 percent of the vote.