Via – NBC News

Democratic National Committee Chair Tom Perez is calling on Iowa Democratic officials to immediately recanvass Monday’s caucus vote after days of uncertainty and growing concerns about the accuracy of the results.

“Enough is enough,” Perez said in a tweet. “In light of the problems that have emerged in the implementation of the delegate selection plan and in order to assure public confidence in the results, I am calling on the Iowa Democratic Party to immediately begin a recanvass,” he said.

A recanvass is essentially a double-checking of the vote. Iowa officials would have to hand audit the caucus worksheets and reporting forms to ensure that they were correctly calculated and reported.

As of Thursday morning, former South Bend, Indiana Mayor Pete Buttigieg was clinging to the narrowest of leads in Iowa over Sen. Bernie Sanders, I-Vt., on Thursday, with 97 percent of the caucus vote released.

Buttigieg was at 26.2 percent and Sanders had 26 percent, with Sen. Elizabeth Warren, D-Mass., running behind the pair of leaders at 18.2 percent. Former Vice President Joe Biden had 15.8 percent, Sen. Amy Klobuchar, D-Minn., at 12.2 percent and other candidates were in low single digits.

Iowa Democratic caucus results are not actual votes cast. The percentages, based on partial returns of the estimated number of state convention delegates won by each candidate through the caucus process, are known as state delegate equivalents, or SDEs.

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