Several precincts voting in Tuesday night’s GOP and Democratic presidential primaries in Michigan are running out of ballots due to overwhelming voter demand, according to multiple reports.

“I’ve never seen anything like this,” said Genessee County Clerk John J. Gleason of voter traffic in his precinct, according to CNN.

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Gleason said that Genessee County includes such precincts as Flint, Mich., the site of a drinking water contamination crisis that has attracted national headlines.

He added that the troubled city and other nearby precincts have run out or are running out of ballots, leaving polling staffers relying on provisional ballots instead.

ABC’s local affiliate reported on Tuesday night that a similar phenomenon is taking place in some precincts in Kent County, which is located in the Great Lakes State’s western side.

Multiple callers at Plainfield Township Precinct No. 3, for example, reported that Democratic presidential primary ballots had run out there.

The shortage occurred after the precinct’s ballots were sent to another one by mistake, ABC’s local affiliate continued. The precinct lacked ballots for over two hours, it added, forcing polling places to turn many would-be voters away.

ABC News’s local affiliate reported that county clerks in Kent, Ottawa and Muskegon counties said they are witnessing the highest primary voter turnout in decades.

Michigan has been a major focus for both political parties before Tuesday evening’s votes, with the GOP conducting a presidential debate in Detroit last week and the Democrats holding their own contest in Flint two days ago.

Democratic presidential front-runner Hillary Clinton Hillary Diane Rodham ClintonWhat Senate Republicans have said about election-year Supreme Court vacancies Bipartisan praise pours in after Ginsburg's death Trump carries on with rally, unaware of Ginsburg's death MORE leads Bernie Sanders Bernie SandersKenosha will be a good bellwether in 2020 Biden's fiscal program: What is the likely market impact? McConnell accuses Democrats of sowing division by 'downplaying progress' on election security MORE by over 21 points in Michigan, according to the latest RealClearPolitics average of polls. Republican front-runner Donald Trump Donald John TrumpObama calls on Senate not to fill Ginsburg's vacancy until after election Planned Parenthood: 'The fate of our rights' depends on Ginsburg replacement Progressive group to spend M in ad campaign on Supreme Court vacancy MORE, meanwhile, commands an more than 12-point lead over his three presidential rivals in the state.