MINNEAPOLIS (WCCO) – A restaurant in northern Minnesota was destroyed after a fire broke out early Tuesday morning.

According to the St. Louis County Sheriff’s Office, around 6:40 a.m. crews responded to a structure fire at the Ash-Ka-Nam Resort in Ash River.

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Upon arrival, crews determined the fire started inside the resort’s restaurant/bar and grill area.

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No one was in the restaurant at the time of the fire.

The restaurant was destroyed by the fire. It is unknown whether other part of the resort were damaged.

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The St. Louis County Sheriff’s Office and the Minnesota State Fire Marshal are investigating the cause of the fire.