An investigation is underway at the federal building in Santa Ana after a suspicious package was reported inside.

It is unclear at what time the incident was first reported, but the Orange County Sheriff’s Department and Fire Authority were called to the scene at 700 W. Santa Ana Blvd.

A bomb squad was also in route to assist in the investigation.

There have been no reports of injuries or exposures, sheriff’s officials said.

Check back for updates on this developing story.