Over a thousand absentee ballots from likely Democratic voters may have been destroyed in the race for North Carolina's 9th Congressional District last month as allegations of fraud on behalf of the Republican candidate mount.

“You’re looking at several thousand, possibly 2,000 absentee ballot requests from this most recent election. About 40 percent of those, it appears, at this point may not have been returned,” Wake County District Attorney Lorrin Freeman told CNN.

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The report comes after Rep. Gerry Connolly Gerald (Gerry) Edward ConnollyJudge issues nationwide injunction against Postal Service changes House panel advances bill to ban Postal Service leaders from holding political positions Shakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' MORE (D-Va.), the vice ranking member on the House Oversight and Government Reform Committee, called for an emergency hearing regarding allegations of voter fraud.

Several voters have come forward since Election Day with claims that their uncompleted absentee ballots were illegally collected, and it remains unclear if their votes were counted. One woman on Monday claimed to have been paid by a Republican operative to collect ballots.

Republican Mark Harris Mark HarrisTrump sparks debate over merits of voting by mail The Hill's Campaign Report: Debate over mail-in voting heats up Bevin says he lost because liberals are 'good at harvesting votes' in urban areas MORE holds a narrow lead of about 900 votes over Democrat Dan McCready, but North Carolina's State Board of Elections has declined to certify the results of the election amid the allegations. McCready conceded to Harris and said he would not request a recount after being down approximately 700 votes in November.

Rep. Steny Hoyer Steny Hamilton HoyerOn The Money: Powell, Mnuchin stress limits of emergency loans | House seeks to salvage vote on spending bill | Economists tell lawmakers: Kill the virus to heal the economy House moves toward spending vote after bipartisan talks House Democrats mull delay on spending bill vote MORE (D-Md.), the incoming House majority leader, said Tuesday that Democrats will not seat Harris until the allegations are resolved.

“The allegation is of serious fraudulent activity on behalf of the Republican administrator — one or more — dealing with primarily absentee ballots. ... So there’s a very substantial question,” Hoyer told reporters during a press briefing in the Capitol.

“If there is what appears to be a very substantial question on the integrity of the election, clearly we would oppose Mr. Harris’s being seated until that is resolved,” he added.