Flathead County officials are probing whether a fire that damaged the Majestic Valley Arena was caused by arson.

The Daily Inter Lake reports the arena caught fire early Saturday.

The fire damaged office space in the 55,750-square-foot arena, on U.S. 93, about six miles north of Kalispell.

The fire caused cancellation of a Wrangler Team Roping Championships event that would have hosted 600 to 700 teams on Saturday.

Flathead County Sheriff Chuck Curry says the cause of the fire was suspicious. He says a county team is investigating the fire as a possible arson.

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