ALBION, Wis. -- A restaurant in Jackson County was destroyed in a weekend fire.

The blaze broke out early Saturday morning at the The Rustic Mill restaurant. It's located in the town of Albion, just west of  Black River Falls.

Firefighters found the building completely engulfed in flames. It took them more than five hours to put out the fire.

Authorities say they are trying to figure out how it started.

Both the Jackson County Sheriff's Department and the State Fire Marshall's Office are assisting in the investigation.