Republican candidate Donald Trump speaks at the White and Gold Ballroom at The Mar-A-Lago Club in Palm Beach, Fla., with New Jersey Gov. Chris Christie, who recently endorsed the businessman. Andrew Harnik/Associated Press …  Republican candidate Sen. Ted Cruz addresses the crowd during an election night watch party in Stafford, Texas. David J. Phillip/Associated Press …  Democratic candidate Hillary Clinton speaks at a rally during a campaign event in Miami. Rhona Wise/Agence France-Presse/Getty Images …  Members of a precinct raise their hands, signifying a vote for Bernie Sanders, in this case by a margin of roughly 4-1, during the Democratic caucus in Boulder, Colo. Brennan Linsley/Associated Press …  Republican candidate Sen. Marco Rubio arrives at a campaign rally in Miami. Alan Diaz/Associated Press …  Democratic candidate Sen. Bernie Sanders arrives with his wife Jane Sanders and son Levi at his Super Tuesday rally in Burlington, Vt. Brian Snyder/Reuters …  Democratic caucus-goers look for the room number where their precinct meets at Bloomington Kennedy High School in Bloomington, Minn. Jim Mone/Associated Press …  Republican candidate Ben Carson speaks to supporters at the Grand Hotel in Baltimore. Jessica Kourkounis/Getty Images …  Jim Paullus waves a flag as he waits for Republican candidate Ted Cruz to take the stage during an election night watch party in Stafford, Texas. David J. Phillip/Associated Press …  Supporters of Democratic candidate Hillary Clinton react after a television network projected her wins in Georgia and Virginia at a campaign rally in Miami. Joe Skipper/European Pressphoto Agency …  Republican voters line up outside a polling place in Anchorage, Alaska. Michael Dinneen/Associated Press …  Ardo Muse expresses her support for Bernie Sanders at the Brian Coyle Center in Minneapolis. Aaron Lavinsky/Zuma Press …  Bonnie Goode and Tannin Bertino campaign for Republican candidate Ted Cruz outside of the Noonday Community Center in Noonday, Texas. Sarah A. Miller/Tyler Morning Telegraph/Associated Press …  Republican candidate John Kasich participates in a question-and-answer session at George Mason University Law School in Arlington, Va. gary cameron/Reuters …  A U.S. citizen living in Mexico puts a sticker on after filling out a ballot during the Super Tuesday primary voting at a polling place in Mexico City. Yuri Cortez/Agence France-Presse/Getty Images …  Photos: Voters, Candidates in Action on Super Tuesday
Photos as voters in a dozen U.S. states cast ballots on Super Tuesday and the Republican and Democratic candidates addressing supporters across the country.