The U.S. government is currently executing a sealed search warrant in Leelanau County.
The Leelanau Co. sheriff's department is facilitating the investigation. Once the warrant is unsealed, it could turn into an arrest warrant.
Crews were on the scene at St. Mary's Road and M-22 in Suttons Bay Friday afternoon. Crews may be at an additional location this afternoon.
The FBI is on the scene and cannot release any details. They are wearing protective clothing to protect them from the possibility of being exposed to hazardous materials.
Officials say the public is not in any present danger.
Details are limited but the story will be updated as details emerge.