MADISON, Ohio -- A bomb threat halted voting at a northeast Ohio school for close to 90 minutes.

Lake County elections director Janet Clair says she was summoned to Madison Middle School around 9:30 Tuesday morning, after the threat was called in. Voters were cleared out, and the school was placed under lockdown while authorities searched with a bomb-sniffing dog.

Clair says while the polling location was shut down, her office kept a list of people who showed up hoping to vote. All 14 agreed to return later.

After investigators found nothing, the school resumed normal operations just before 11 and polls reopened.

Also in Lake County, a power failure left a North Perry polling place in the dark for about 5 minutes Tuesday morning. But Clair says voting never stopped.