Sen. Martha McSally Martha Elizabeth McSallyKelly's lead widens to 10 points in Arizona Senate race: poll Senate Republicans scramble to contain fallout from Woodward bombshell Mark Kelly apologizes for offensive 2018 joke MORE (R-Ariz.) trails her Democratic challenger Mark Kelly by 5 points in a survey released Thursday by the Democratic-leaning firm Public Policy Polling.

Kelly led McSally 47 percent to 42 percent in the poll, which also found 12 percent of voters unsure.

Thirty-seven percent say they approve of McSally’s job performance, compared with 46 percent who disapproved.

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A plurality of respondents, 46 percent, said they voted for President Trump Donald John TrumpBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Military leaders asked about using heat ray on protesters outside White House: report Powell warns failure to reach COVID-19 deal could 'scar and damage' economy MORE in 2016, compared with 43 percent who voted for Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonBarr criticizes DOJ in speech declaring all agency power 'is invested in the attorney general' Virginia Democrat blasts Trump's 'appalling' remark about COVID-19 deaths in 'blue states' The Hill's Campaign Report: Biden asks if public can trust vaccine from Trump ahead of Election Day | Oklahoma health officials raised red flags before Trump rally MORE and 11 percent who did not vote or voted for someone else.

The poll also found approval of Trump underwater in the state, with 51 percent disapproving, 45 percent approving and 5 percent unsure. Trump is statistically tied in hypothetical head-to-head match-ups with both Sen. Bernie Sanders Bernie SandersSenate Republicans signal openness to working with Biden Hillicon Valley: DOJ indicts Chinese, Malaysian hackers accused of targeting over 100 organizations | GOP senators raise concerns over Oracle-TikTok deal | QAnon awareness jumps in new poll Schumer, Sanders call for Senate panel to address election security MORE (I-Vt.) and former Vice President Joe Biden Joe BidenThe Memo: Warning signs flash for Trump on debates Senate Republicans signal openness to working with Biden National postal mail handlers union endorses Biden MORE, leading the former and trailing the latter by 1 point each, well within the survey's margin of error.

The poll was conducted March 2-3 among 666 Arizona voters by cell and landline phones. It has a 3.8 point margin of error.