Recorder's Norwalk headquarters received a bomb threat on Saturday — the latest in a string of threats targeting election hubs across the region and country.

Authorities said the voter registration offices of Orange and Riverside counties were closed Friday after receiving a bomb threat.

The bomb threat was “communicated to” the registrar’s main facility on Berger Drive in North San Jose about 8 a.m. Saturday, leading to the evacuation of the building. Vote counting was suspended until the building can be cleared, according to the report.

The San Diego County Registrar of Voters received a bomb threat at its office in Kearny Mesa, officials said Saturday.

Vote counters in Los Angeles County received a bomb threat Saturday, one day after similar threats were directed at their counterparts in San Diego and Orange counties.

The threat came via email to the Santa Clara County Registrar's Office Friday and was received at the start of business Saturday.

The Modoc County Sheriff’s Office said the email to their voting official stated that there was a bomb in her office that would be detonated as soon as there was

Orange County’s elections office, where ballots were being counted, received a bomb threat Friday afternoon, the registrar said. Staff and members of the public who were watching ballots being tallied were evacuated from the Santa Ana building at about 6:45 p.m., Bob Page, the registrar of voters said, and everyone is safe.

Registrars of voters' offices in Orange and Riverside counties were evacuated Friday evening after receiving bomb threats, but no explosives were located at either site.