Transcript for Democratic nominees drum up support before Nevada caucus
We begin with the breaking news as we come on the air -- results from the Nevada caucus coming in. At this hour early results showing Bernie Sanders with a double-digit lead. Campaigning late today in El Paso Texas, a super Tuesday state. In the second wave of voting, Sanders leading Joe Biden, Pete buttigieg, Elizabeth Warren and Amy klobuchar. A majority of voters, 52%, telling us this is their first caucus. 38% supporting Bernie Sanders, putting him ahead of the other candidates. Two-thirds say they want a candidate who can beat president trump. Voters split on that with Sanders slightly ahead of Biden and buttigieg close behind. Unlike New Hampshire, many voters making up their minds ahead of today. Plus, more than 75,000 taking advantage of early voting. ABC's Rachel Scott is in Las Vegas to lead us off. Reporter: Tonight with entrance polling in Nevada signaling a strong night for his campaign, senator Bernie Sanders moving on to Texas. We can win the democratic nomination, we can defeat Donald Trump. And we can transform this country. Let's do it! Thank you! Reporter: Preliminary polls show the majority of hispanic and young Nevada Democrats backing Sanders, an important coalition heading into diverse super Tuesday states like California and Texas where early voting has begun. Texas will play an enormous roll. If we win here in Texas, trump is finished. Reporter: Today, his competitors for the democratic nomination fanning out at caucus sites, trying to drum up last minute support. It's good to see you. Want to take a picture? Yes, please. Fantastic energy, and what we see in early vote and now on the day of, an opportunity to really broaden our coalition. Reporter: The Nevada democratic party reporting a huge early vote turnout, more than 75,000 Democrats participating. According to entrance polls, more than 80% of the Nevada Democrats made up their minds early, nearly 40% a them supporting Sanders. Today's contest critical for former vice president Joe Biden, who stumbled in Iowa and new Hampshire. Biden telling me, no matter what today's results are, he's pushing ahead to super Tuesday. I keep running. I win. Look, I'm not going to get into this, you know, what if I do first, second, third, fifth time. I feel good about where we're we'll see where it takes us. Rhed Scott joins us from Las Vegas. Bernie Sanders invested in a big ground game in Nevada and it seems to have paid off. Reporter: That's right, Tom. He had more than 50 paid staffers on the ground. That's the most of any campaign. And health care is a top issue for voters in this state. It's really been a corner stone of senator Bernie Sanders' campaign. His Progressive plan for medicare for all proves to be favorable among voter in the early exit polls. 62% say they support it. Tom? Rachel Scott from the campaign trail tonight. Rachel, thank you.
This transcript has been automatically generated and may not be 100% accurate.