A new poll shows that incumbent Indiana Democratic Sen. Joe Donnelly has fallen 3 points behind his challenger, Mike Braun, a Republican businessman and former Indiana state representative.
The poll, conducted by Cygnal and published Tuesday, revealed that 49 percent of likely voters support Braun and 46 percent back Donnelly.
The gap between the two candidates falls within the poll's margin of error of 4.36 percentage points. The poll of 505 likely Indiana voters was conducted Oct. 26-27.
Five percent of respondents say they are undecided or will vote for a third-party candidate.
According to the poll's findings, Braun and Donnelly had net-positive favorability ratings.
About 47 percent of likely voters share a favorable view of Braun, while 39 percent share an unfavorable view of the Republican candidate.
About 52 percent of likely voters share a favorable view of Donnelly, while 41 percent share an unfavorable view of the incumbent senator.
You can read more about the poll's findings here.
Donnelly and Braun are slated to hold a final debate on Tuesday.
President Donald Trump officially endorsed Braun in September during a campaign rally in Evansville, Indiana.
The Senate election in Indiana is one of 10 “most likely to flip in 2018,” CNN reported in January.
The Cook Political Report calls the race a toss-up. An average of polls compiled and analyzed by RealClearPolitics has Braun up by 0.5 percentage points.
The midterm elections will be Nov. 6.
