MINNEAPOLIS (WCCO) -- Crews are battling a fire Tuesday morning at a dairy cooperative in western Wisconsin.
The fire at Burnett Dairy Cooperative, located just east of Grantsburg on State Road 70, started around 10:30 p.m. Monday night, with eight fire departments responding.
Employees were inside the building when the flames began to spread. All made it out unharmed.
Officials believe the fire started as a result of a mechanical issue.
Still, the exact cause remains unknown.
The Burnett Dairy Cooperative dates back more than 120 years.
The cooperative is one of the largest employers in Burnett County.