WASHINGTON (AP) — District of Columbia elections officials say some problems with electronic voting machines have led to a delay in reporting results from the city’s Democratic mayoral primary.

A spokeswoman for the D.C. Board of Elections says results reported shortly before midnight Tuesday were almost entirely from paper ballots that were run through a scanner. Spokeswoman Tamara Robinson says a handful of electronic machines were not shut down properly, and that’s led officials to take a second look at electronic results to ensure they are being counted properly.

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