A bomb threat at the Santa Clara County Registrar of Voters office on Saturday prompted an evacuation of the building and temporarily halted the election vote count.

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.

The San Diego Registrar of Voters received a bomb threat early Friday, prompting a full-scale investigation, the county communications office confirmed.

Deputies evacuated the Orange County Registrar of Voters after it received a bomb threat at its Santa Ana office.

A bomb threat caused officials to evacuate the Santa Clara County Registrar of Voters Office in San Jose on Saturday morning, NBC Bay Area reported. The bomb threat was “communicated to” the registrar’s main facility on Berger Drive in North San Jose about 8 a.

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