Poll: Trump up by 21 points in NH, Cruz and Rubio tied for second
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Donald TrumpDonald John TrumpKoch-backed group launches six-figure ad buy against Heitkamp Anti-abortion Dem wins primary fight Lipinski holds slim lead in tough Illinois primary fight MORE commands a wide lead heading into Tuesday’s GOP presidential primary in New Hampshire, according to a new tracking poll.

Trump owns a 21-point edge over the Republican White House hopefuls in the latest University of Massachusetts-Lowell/7 News survey.

The outspoken billionaire has the support of 34 percent of the Granite State’s Republican-leaning voters, pollsters found.

Ted CruzRafael (Ted) Edward CruzCruz says Cambridge Analytica assured him its practices were legal Dem battling Cruz in Texas: ‘I can understand how people think this is crazy’ Overnight Tech: Facebook faces crisis over Cambridge Analytica data | Lawmakers demand answers | What to watch for next | Day one of AT&T's merger trial | Self-driving Uber car kills pedestrian MORE and Marco RubioMarco Antonio RubioRubio: McCabe 'should've been allowed to finish through the weekend' For Tillerson, bucking Trump became a job-killer At least six dead after pedestrian bridge collapses on cars in Florida MORE, meanwhile, are tied for second with 13 percent apiece.

Jeb Bush and John Kasich then have a deadlock of their own, with each candidate earning 10 percent.

Chris Christie rounds out the top five in the GOP field, garnering 5 percent voter support in the early voting state.

Trump's support is down 2 points in Monday’s edition of the survey. Rubio, meanwhile, is down 1 point.

New Hampshire’s Republican-leaning voters are fairly committed to their choice for president, pollsters found.

About 75 percent are “definitely” voting for Trump, with 57 percent echoing that sentiment for Cruz and 51 percent for Rubio.

Another 25 percent “could change their mind” about Trump, while 43 percent would reconsider Cruz and 49 percent Rubio.

UMass-Lowell conducted its latest survey of 464 likely GOP-leaning primary voters via cell and landline telephone interviews Feb. 5–7. It has a 5.13 percent margin of error.