Cause of early morning business fire in Grafton under investigation

GRAFTON, Wis. (CBS 58) -- The cause of an early morning business fire remains under investigation in Grafton.

The Ozaukee County Sheriff's Office received a report of a large fire in the 1000 block of Arrowhead Road around 3:23 a.m. on Saturday.

Upon arrival, the business was found to be completely engulfed in flames.

Multiple departments responded to the fire including Grafton, Cedarburg, Port Washington, Mequon, Saukville, Belgium, Thiensville, Waubeka, Fredonia, West Bend, Germantown, Jackson, Fillmore, Slinger, North Shore Fire Departments, as well as the Milwaukee Fire Bell ambulance, WE Energies and the Ozaukee County Hazmat Department.

No injuries were reported.