Special Operations crews were dispatched to the Palm Beach County Sheriff's Office Tuesday afternoon.
They were called to investigate a report of an unknown substance, according to Palm Beach County Fire Rescue.
The sheriff's office said one person felt ill and that person is being checked out by Fire Rescue.
#SpecialOperations crews @PBCountySheriff investigating reports of an unknown substance
— PBC Fire Rescue (@PBCFR) May 30, 2017
