Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE supporters on Saturday booed while watching Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE's victory speech at an event in Henderson, Nev., as they waited for the White House hopeful to take the stage.

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"We are all in this together. We all have to do our part," Clinton said as Sanders's voters loudly booed at the screen moments after the former first lady was declared the winner of the Democratic Nevada caucuses.

Clinton ultimately pulled ahead of the Vermont Independent in a tight race Saturday, claiming about 52 percent of the vote with 78 percent of precincts reporting.

The former secretary of State is expected to win big again in the South Carolina primary on Feb. 27.