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Signs direct voters on where to cast their ballots at the polling place in Fairfax Circle Baptist Church during Super Tuesday voting in Fairfax, Virginia on March 1, 2016. Chip Somodevilla/Getty Images

UPDATE: 11:45 p.m. EST — Republican presidential contender Marco Rubio and Vermont Sen. Bernie Sanders won Super Tuesday voting in Minnesota, early polling suggested. The success in the state marked the only victory of the evening for Rubio, who has struggled to pull ahead of GOP front-runner Donald Trump. Sanders also won a victory in Colorado, early polling showed. The state was considered crucial for Sanders’ struggling campaign, as many analysts speculated Sanders could not win the nomination without it.

UPDATE: 10:02 p.m. EST — Donald Trump won a handful of states Tuesday, but instead of celebrating, he mostly just insulted Hillary Clinton and Marco Rubio in his victory speech as New Jersey Gov. Chris Christie watched while standing behind him on a stage.

"They're declaring Marco Rubio the big loser of the night, which is true. He hasn't won anything," Trump said. He also added: "Believe me, I am a unifier. Once this is all done, I'm going to go after one person. Hillary Clinton."

Trump also said he would get along with House Speaker Paul Ryan and "if I don't, he's gonna have to pay a big price, okay?"

UPDATE: 9:35 p.m. EST — That's two more states for Ted Cruz. With Cruz picking up wins in Oklahoma and his home state of Texas, Trump saw Tuesday night his first losses since the Iowa caucuses on Feb. 1.

Bernie Sanders was the Democratic winner in Oklahoma while Hillary Clinton won in Texas.

UPDATE: 9:15 p.m. EST — Florida Sen. Marco Rubio vowed to undo President Barack Obama's executive orders in a speech Tuesday as primary results continued to roll in. Rubio, running through some of his major platform points before an enthusiastic crowd in Miami, vowed to undo the Iran nuclear deal and promote free enterprise.

"When I'm president, for the first time in eight years, we will have a president that follows the Constitution, not violates it every day," Rubio said. Rubio also taunted his rival Donald Trump without using the real estate mogul's name. The senator talked up his humble beginnings and argued that he, unlike Trump, didn't get a $2 million loan from his father.

UPDATE: 8:39 p.m. EST — Donald Trump has won the Virginia GOP primary and it's looking glum for Marco Rubio. Ted Cruz says he knows what should happen next: Rubio has to go.

“If tomorrow morning, a candidate is sitting there and he’s won zero states and doesn’t have a credible shot at getting the delegates, then I do think it’s worth a candidate thinking about coming together and uniting behind,” Cruz said in a Tuesday interview on "The Mike Gallagher Show."

UPDATE: 8:39 p.m. EST — Hillary Clinton is the projected winner of the Arkansas Democratic primary, CBS News and ABC News reported.

UPDATE: 8:29 p.m. EST — Ohio Gov. John Kasich said Tuesday he would not consider running as someone's vice president. “Zero chance, just stop there, zero chance,” he told Fox Business Network’s “Varney & Co.” Kasich has been trailing in the polls behind front-runner Donald Trump.

UPDATE: 8:20 p.m. EST — Hillary Clinton is the winner of the Democratic caucus in American Samoa on Super Tuesday, ABC News reported.

UPDATE: 8:15 p.m. EST — Donald Trump has been declared the Republican winner in Massachusetts, Alabama and Tennessee, while Hillary picked up Alabama and Tennessee.

UPDATE: 7:55 p.m. EST — Donald Trump is expected to take most of the states voting on Super Tuesday, but that doesn't mean Ben Carson sees the exit sign. Carson will remain in the GOP presidential race even if he doesn’t take home any delegates Tuesday, close friend and adviser Armstrong Williams told The Hill.

UPDATE: 7:36 p.m. EST — Vermont Sen. Bernie Sanders vowed to keep up his fight against Wall Street and invest in children, not jails, during his victory speech Tuesday night after winning his home state and losing Georgia and Virginia to former Secretary of State Hillary Clinton. "This campaign is not just about electing the president, it is about making a political revolution," he said.

UPDATE: 7:16 p.m. EST — Democrat Bernie Sanders has won his home state of Vermont, while Republicans Donald Trump and John Kasich are competing for first place in the GOP primary.

UPDATE: 7:09 p.m. EST — Hillary Clinton has won Georgia and Virginia, while Donald Trump is the winner in Georgia for the GOP, according to exit polls.

UPDATE: 6:52 p.m. EST — Polls are about to close in Vermont, Virginia and Georgia at 7 p.m. Results could be announced within minutes.

UPDATE: 6:33 p.m. EST — Another mainstream politician has endorsed Donald Trump, clearing the way for him to become the insider candidate.

UPDATE: 6:10 p.m. EST — At least six New Jersey newspapers have called on Gov. Chris Christie to resign after his failed presidential campaign and endorsement of Donald Trump last week, USA Today reported Tuesday.

UPDATE: 5:42 p.m. EST — Former Secretary of State Hillary Clinton doesn’t mind facing off against Donald Trump in a general election despite his habit of crudely insulting his rivals or making sweeping statements against various communities, including jabs at women, immigrants, Muslims and Mexicans, she told reporters in Minneapolis Tuesday. "I think every one of them has views and have made comments that are deeply troubling to what I want to see our country stand for," she said. "So whoever they nominate, I’ll be prepared to run against them if I’m so fortunate to be the nominee."

UPDATE: 5:12 p.m. EST — Former President Bill Clinton got into trouble Tuesday after he went into a polling location in Boston, local media reported. The state’s Secretary of the Commonwealth’s office sent Hillary Clinton’s campaign a reminder not to solicit votes near polling sites after her husband addressed election workers and voters at a polling location in the West Roxbury neighborhood. Under Massachusetts election law, the solicitation of a vote for or against a candidate, party or position within 150 feet of a polling place is prohibited.

UPDATE: 4:55 p.m. EST — Does Donald Trump hate you? A British newspaper has published a quiz that determines whether The Donald isn’t a fan of your internet use or looks based on his public comments over the years.

UPDATE: 4:25 p.m. EST — If Donald Trump and Hillary Clinton sweep Super Tuesday, what will Wednesday’s newspaper headlines say? The website FiveThirtyEight has some predictions. Its staff published this chat Tuesday:

"If the polls are right, and Trump wins 9+ states out of the 11 available, what should the banner headline say on the front page of tomorrow’s New York Times?

natesilver (Nate Silver, editor in chief): 'Trump Sweeps South To Firm Grip On G.O.P. Race'

harry (Harry Enten, senior political writer): I’d rather do the New York Daily News headline.

micah: OK, Harry, what’s the NY Daily News headline?

harry: My guess is Trump is either in a clown or KKK costume."

UPDATE: 4:05 p.m. EST — Republican Ben Carson, who hasn't won a single state and has been trailing in national polls, wants to meet with his rivals to agree on a nicer campaign season.

UPDATE: 3:50 p.m. EST — Hillary Clinton is the most trusted candidate when it comes to health care, according to multiple polls. But while many of the states voting on Super Tuesday have poor health, voters don't usually rank health care as their top issue, the Atlantic reported Tuesday.

Five of the Super Tuesday states are ranked among the 10 lowest states on America’s Health Rankings. They are generally states that have not expanded Medicaid to low-income people under President Barack Obama's Affordable Care Act.

UPDATE: 3:30 p.m. EST — South Carolina Gov. Nikki Haley has insulted Donald Trump on Twitter, at least according to Southern tradition. Haley, a Marco Rubio supporter, wrote "Bless your heart." In the South, that generally means “you’re dumb, homely, or otherwise impaired, but you can’t help it," Atlanta magazine wrote.

UPDATE: 2:50 p.m. EST — More than half of all televised campaign advertisements feature real estate mogul and Republican front-runner Donald Trump, analysis from the Associate Press found. Trump has spent at least $6.4 million on ads, with $5 million of that sum going toward attack ads against his fellow candidates. The billionaire is poised for wins in many of the states participating in primaries or caucuses this Super Tuesday.

UPDATE: 2:36 p.m. EST — Democratic candidate and former Secretary of State Hillary Clinton surprised cafe-goers in Minneapolis with an impromptu visit to local haunt, Mapps Coffee shop. Clinton was joined by supporter and Minnesota Gov. Mark Dayton, who joined her in rallying voters ahead of Tuesday night's caucuses in the state.

UPDATE: 2:15 p.m. EST — Louisiana Gov. Bobby Jindal spoke at a rally for Republican candidate and Florida Sen. Marco Rubio in Minnesota on Tuesday as the state prepared for its caucuses. The former GOP candidate endorsed Rubio this month as support for real estate mogul and Republican front-runner Donald Trump continued to grow.

“Marco can unify our party,” Jindal said when he endorsed the senator in an interview with Fox News, adding: “I think he’s a principled conservative. I think he’s the right guy.”

UPDATE: 1:56 p.m. EST — Florida Sen. Marco Rubio appeared to apologize to supporters in a last-minute fundraising pitch Tuesday as he lamented the lack of seriousness in the Republican race for president. Rubio has increasingly shifted away from his aspirational campaign tactics to a more attack-style approach as real estate mogul Donald Trump has continued to make strides with Republican voters.

“Believe me — I really never expected to be talking about spray tans while running for president,” Rubio wrote in his fundraising email, the New York Times reported. “This is no joke,” he wrote, encouraging supporters to salvage their party from the influence of Trump. “It’s time to fight back, because we’ve seen a scary side of Donald Trump.”

UPDATE: 1:12 p.m. EST — Rep. Paul Ryan, speaker of the House of Representatives, denounced Republican front-runner Donald Trump for his reluctance to refuse an endorsement from David Duke, a former Ku Klux Klan leader. The Republican congressman's remarks came as support for Trump remained high going into Super Tuesday voting.

“If a person wants to be the nominee of the Republican Party, there can be no evasion and no games,” Ryan said Tuesday, the New York Times reported. “They must reject any group or cause that is built on bigotry. This party does not prey on people’s prejudices. We appeal to their highest ideals," he said, adding: "This is the party of Lincoln.”

UPDATE: 12:33 p.m. EST — Former New York Mayor Michael Bloomberg is not likely to run in the 2016 presidential election as an independent, a source close to him told ABC News.The odds of a Bloomberg run are “very, very low — almost zero,” the source said.

Bloomberg has espoused centrist politics, and he began considering a run this year as support for right-wing real estate mogul Donald Trump and avowed socialist Vermont Sen. Bernie Sanders continued to grow.

UPDATE: 11:47 a.m. EST — Republican front-runner Donald Trump secured his fourth congressional endorsement Tuesday as voting continued in 12 states across the nation. Tennessee Rep. Scott DesJarlais endorsed Trump in one of the key states of Super Tuesday. Trump was projected to hold a wide lead in the Southern state, where he saw 40 percent of support, according to recent data from RealClearPolitics, which reports the average of available polling data. His closest rival in Tennessee was Texas Sen. Ted Cruz, who had 22 percent support, according to the same polls.

"While there are certainly things that I admire and respect in each of the remaining candidates, I believe Donald Trump is the candidate best poised to make America great again," DesJarlais said, adding: "As such, I was proud to cast my vote for Mr. Trump and look forward to supporting the eventual Republican nominee, whomever that might be," the Hill reported.

UPDATE: 11:09 a.m. EST — A mobile service has launched that allows voters on Super Tuesday to locate their polling stations via text. Voters send a text of their full address to the number 47246, and the service returns a full address for the closest polling station along with its hours. Democratic hopeful and former Secretary of State Hillary Clinton took to Twitter to promote the service as voters in 12 states and one territory began voting in primaries and caucuses across the country.

UPDATE: 10:45 a.m. EST — Analytics firm Kensho said that Super Tuesday could spur a stock market rally, CNBC reported. Historically, when a clear favorite candidate emerges from Super Tuesday voting, markets tend to see a bump. That occurred in 2012 when Republican hopeful and former Massachusetts Gov. Mitt Romney won a majority of delegates and markets saw a 4 percent rally the following week. The inverse can also be true, as in 2008 when Super Tuesday did not return a strong win for Hillary Clinton or Barack Obama, and markets dipped.

UPDATE: 10:07 a.m. EST — Democratic hopeful and Vermont Sen. Bernie Sanders picked up his first win of Super Tuesday — in New Zealand. Democratic expatriates living abroad took to the polls Tuesday, and Sanders won 21 of the 28 votes cast in Wellington, New Zealand.

Democrats in 111 cities in 41 countries are slated to cast votes Tuesday. Democrats abroad have typically voted for the more left-wing or progressive candidate, and Paris in particular has felt the Bern in recent months.

UPDATE: 9:19 a.m. EST — The hastag #NeverTrump has grown in popularity with Republicans across social media in an attempt to discourage primary voters from choosing Republican front-runner and real estate mogul Donald Trump in a series of primaries and caucuses Tuesday. Prominent conservative commentators such as Glenn Beck joined the online movement, posting a photo of GOP candidate and Texas Sen. Ted Cruz with the caption: "Praying for this great country. Praying for a true constitutionalist! God bless #NeverTrump."

UPDATE: 8:25 a.m. EST — Democratic candidate and Vermont Sen. Bernie Sanders cast his vote in his home state Tuesday morning as Super Tuesday voting got underway across several Eastern states. The avowed socialist spoke to supporters outside a polling station in his hometown of Burlington.

"We are going to do well. If not, we're probably going to be struggling," Sanders said, the Associated Press reported, adding: "This is a campaign that is going to the Philadelphia convention in July."

UPDATE: 7:48 a.m. EST Both Democratic hopefuls in the 2016 presidential race would beat Republican front-runner Donald Trump in a general election, according to a poll conducted by CNN/ORC published Tuesday. In a Trump matchup with former Secretary of State Hillary Clinton, Clinton would beat Trump with 52 percent of the vote against 44, the poll stated. If Vermont Sen. Bernie Sanders were to become the nominee, he would beat Trump by an even wider margin of 55 percent to 43 percent, it predicted.

The poll surveyed 1,001 Americans in the period of Feb. 24-27 and had a margin of error of plus or minus 3 points.

UPDATE: 7:15 a.m. EST Polls opened across several Eastern states, both in the South and New England, as former Secretary of State Hillary Clinton and business mogul Donald Trump maintained their leads across the majority of the 12 states voting in Super Tuesday. Support for Clinton reached 49 percent nationwide Monday night, according to RealClearPolitics, which takes the average of available polling information. Trump kept his 15-point spread, seeing support at 35.6 percent in national polls, while his closest rival, Texas Sen. Ted Cruz, trailed behind at 19.8 percent.

In the Southern states, Clinton will need to win support from a large African-American community, while Trump is expected to look to Christian evangelicals for votes as he did in South Carolina.

Original story:

Voters in 12 states and one U.S. territory take to the polls Tuesday to vote in caucuses and primaries. The event, known as Super Tuesday, often spurs poor-performing candidates to drop out and will see fierce competition between the remaining candidates in both parties.

Alabama, Alaska, Arkansas, Colorado, Georgia, Massachusetts, Minnesota, Oklahoma, Tennessee, Texas, Vermont, Virginia and American Samoa are all participating in Super Tuesday. Seven Southern states will be participating in the voting, nicknamed the SEC primary — a reference to the Southeastern Conference in college football.

Real estate mogul Donald Trump has continued to lead in polls of the Republican field and is poised for several important victories in the primaries and caucuses. Trump received his first senatorial endorsement from Sen. Jeff Sessions of Alabama Sunday. “We need to make America great again,” Sessions said as he endorsed Trump at a rally two days ahead of the primary vote.

Super Tuesday Guide | InsideGov

Support for Trump throughout the country remains high, as he enjoyed a 15-point spread, according to RealClearPolitics, which takes the average of available polling information. Trump was at 35.6 percent support Monday, followed by Texas Sen. Ted Cruz at 19.8 percent and Florida Sen. Marco Rubio at 17.4 percent.

In the Democratic race, the spread between former Secretary of State Hillary Clinton and Vermont Sen. Bernie Sanders has steadily closed as Sanders has gained support over the past several months. Clinton has won support from the large African-American population in South Carolina, where she beat Sanders by nearly 3-to-1 Saturday.

As all of the candidates made their final pitches to voters throughout the country, Sanders looked to gather support by reaffirming his grass-roots message. “Everybody in this room knows that real change never occurs from the top on down. It always happens from the bottom on up,” Sanders told supporters at a rally at Colorado State University on Sunday.

Clinton saw a national average of 49 percent of support, while Sanders held at 41.5 percent, according to RealClearPolitics.