Democratic presidential candidate Hillary Clinton beat back a strong challenge from Bernie Sanders in the Nevada caucuses on Saturday, a result that could help calm worries among supporters about the strength of her campaign.
Clinton's victory denied Sanders the breakthrough win he sought in a state with a heavy minority population, but his ability to close a one-time double-digit polling lead for Clinton suggested the Democratic nominating race would be long and hard fought.
With 84 percent of precincts reporting, Clinton was leading with 52.4 percent of the vote to Sanders' 47.5 percent. Vote counting was delayed in Nevada by heavy turnout.
On the Republican side of the presidential race Donald Trump rolled to victory on Saturday in South Carolina primary to solidify his status as the front-runner.
Clinton's victory buoyed worried supporters and gave her fresh momentum as she heads into the next contest in South Carolina on Feb. 27, where polls show her with a double-digit lead largely as a result of heavy support from black voters.
"Some may have doubted us, but we never doubted each other," she told cheering supporters at a victory rally in Las Vegas. "This is your campaign."
— Hillary for Nevada (@HillaryforNV) February 20, 2016
After routing Clinton in New Hampshire and finishing a strong second in Iowa, states with nearly all-white populations, Sanders was hoping to prove in Nevada that he could win over black and Hispanic voters and compete nationally as the race moves to states with more diverse populations.
But entrance polling in Nevada showed he badly lost among black voters, by 76 percent to 22 percent, a bad omen for South Carolina and other southern states with big black populations. He did win among Hispanics by 53 percent to 45 percent.
Clinton's campaign has argued she would assert control of the Democratic race once it moved to more diverse states with black and Hispanic populations who have traditionally backed Clinton and have been slow to warm to Sanders.
Sanders said in a statement that he was proud he was able to make the election in Nevada close after his early polling deficit there.
I am very proud of the campaign we ran. Five weeks ago we were 25 points behind and we ended up in a very close election.
— Bernie Sanders (@BernieSanders) February 20, 2016
"We have the wind at our back as we head toward Super Tuesday," Sanders said.
Sanders vowed to fight on and set his sights on the 11 states that vote on "Super Tuesday," March 1. He predicted that when Democrats gather for their nominating convention in Philadelphia in July, "We are going to see the results of one of the great political upsets in the history of the United States."
"The wind is at our banks," he said. "We have the momentum."
In Nevada, Clinton won at least 19 delegates for the convention and Bernie Sanders won at least 15.
Clinton is far ahead in the overall delegate count because of early endorsements from superdelegates, the party leaders who can support the candidate of their choice.
Including superdelegates, Clinton has 503 delegates and Sanders has 70.
It takes 2,383 delegates to win the nomination.