Saturday's caucuses followed a fiery debate among the candidates earlier in the week in which Sanders, Joe Biden and Elizabeth Warren challenged former New York City Mayor Mike Bloomberg on sexism and race and Amy Klobuchar sparred with Pete Buttigieg over their political experience.
Read the latest updates:
- Sanders touts 'multi-generational and multi-racial coalition' in victory speech; read NBC News' analysis of his win.
- Buttigieg rips Sanders, while Biden declares a comeback.
- Warren says she's in the race "to make change"; Klobuchar and Steyer sound optimistic notes in remarks to supporters.
- Hotline jams caused some reporting delays, and some caucus sites faced volunteer shortages.
- Track the number of delegates each candidate has won so far.
- Click here for the state-by-state primary results and here for the Nevada results as they start coming in.
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Who won the Democratic debate in Las Vegas?
LAS VEGAS — Mike Bloomberg became a piñata, and Elizabeth Warren resurrected her feisty side.
The Democratic candidates formed a circular firing squad Wednesday night, with arrows flying in all directions and fights breaking out among a seemingly infinite permutation of candidates on matters from health care policy to lewd comments about women
The debate was not only Bloomberg's first time on a presidential debate stage; it was also the first night of his surging 2020 campaign that wasn't choreographed. The result: He faced direct criticism from rivals he has bested in recent polls. It was the most contentious evening of the nine faceoffs so far, coming three days before the candidates face the most diverse voting electorate yet in their quest to make Donald Trump a one-term president.
Here's a look at who was the most aggressive, who took the toughest punches and who missed their marks over the course of the debate, which was hosted by NBC News, MSNBC, Telemundo and The Nevada Independent.
For more debate coverage, check out the NBC News live blog or watch highlights below: