COLUMBIA S.C. (CBS/AP) — Hillary Clinton has won the Democratic presidential primary in South Carolina. She won the overwhelming support of black voters on her way to a commanding victory over Vermont Sen. Bernie Sanders.

The win for Clinton is her third in the first four contests of the 2016 campaign. And it gives her a blowout to match Sanders’ dominating triumph in New Hampshire.

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CBS NEWS COMPLETE SOUTH CAROLINA PRIMARY COVERAGE

In the South Carolina Democratic primary won by Hillary Clinton, about 6 in 10 voters were black. And more than 8 in 10 black voters were supporting her over Hillary Clinton. That’s according to exit polls.

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Black primary voters were more likely to say they trust Clinton than Bernie Sanders to handle race relations, 45 percent to 6 percent. An additional 44 percent said they trust both.

Among all Democratic primary voters Saturday, 8 in 10 said race relations were important to their vote. Among black primary voters, a third said it was the most important issue to them.

That bodes well for Clinton headed into Super Tuesday contests across the South, where several states are home to large populations of black voters.

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