Six GOP presidential candidates would beat Democratic front-runner Hillary ClintonHillary Diane Rodham ClintonOvernight Defense — Presented by Raytheon — First lady's office pushes for ouster of national security aide | Trump taps retired general as ambassador to Saudis | Mattis to visit border troops | Record number of female veterans to serve in Congress Election Countdown: Lawsuits fly in Florida recount fight | Nelson pushes to extend deadline | Judge says Georgia county violated Civil Rights Act | Biden, Sanders lead 2020 Dem field in poll | Bloomberg to decide on 2020 by February What midterm exit polls tell us about 2020 MORE in a head-to-head matchup, according to a Fox News poll released Sunday.

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Sen. Marco RubioMarco Antonio RubioJeb Bush calls for Broward County official to be removed from post Florida Dem rep: Scott is 'spinning conspiracy theories' Gillum retracts concession in Florida governor's race MORE (Fla.) would do best against Clinton, 50 to 42 percent, pollsters found.

Billionaire Donald TrumpDonald John TrumpDeath toll in Northern California wildfire rises to 48: authorities Graham backs bill to protect Mueller Denham loses GOP seat in California MORE, retired pediatric neurosurgeon Ben Carson, former Florida Gov. Jeb Bush, Sen. Ted CruzRafael (Ted) Edward CruzIncoming Dem lawmaker from Texas says Nielsen should be replaced as DHS chief Election Countdown: Lawsuits fly in Florida recount fight | Nelson pushes to extend deadline | Judge says Georgia county violated Civil Rights Act | Biden, Sanders lead 2020 Dem field in poll | Bloomberg to decide on 2020 by February Poll: Biden and Sanders lead 2020 Dem field, followed by Beto O'Rourke MORE (Texas) and New Jersey Gov. Chris Christie would also win hypothetical elections, according to the new poll, taken after more than 100 people were killed and more than 300 others injured in a wave of terrorist attacks in Paris.

Clinton and former businesswoman Carly Fiorina would tie with 42 percent each.

Trump remains the GOP front-runner with 28 percent support from likely Republican primary voters in the new poll.

Carson has 18 percent while Cruz and Rubio are tied at 14 percent apiece. No other GOP candidate had more than 3 percent support.

The poll, conducted Nov. 16-19, has a 3 percent margin of error for all registered voters and a 4.5 percent margin of error for Republican primary voters.