A bomb threat emailed to officials in more than a dozen states early Wednesday briefly disrupted government affairs and prompted some state capitol evacuations, but no explosives were found and federal officials quickly dismissed the threats as a hoax.

The “mass email” warned of multiple explosives that would go off in a few hours. The closures were brief and disruptions minimal in most states.

According to our news partners at WAND-TV The Illinois Secretary of State’s office has released a statement regarding the bomb threats emailed to state capitols across the country early Wednesday.

It said, in part, a search and investigation revealed no evidence supporting the credibility of a threat and no imminent danger was identified. Nevertheless, the Secretary of State’s office takes these threats very seriously and is working with other law enforcement agencies to determine the source of the threat.”