Bomb threats prompted evacuations at voter registration offices in Orange and Riverside counties during ballot counting.

Election offices in Orange and Riverside counties were evacuated after each received bomb threats. No explosives were found in either building. Both threats were sent via email, authorities said. ABC News is reporting that these same types of threats have been happening at offices across the country.

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.

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

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.

Authorities said the voter registration offices of Orange and Riverside counties were evacuated Friday after each received a bomb threat. According to Elizabeth Florer, public information for the Riverside County Registrar of Voters,