(Dorsey) -- Dorsey Lumber & Supply Company on Route 159 south of Bunker Hill was destroyed by fire on Saturday morning. Fire departments arrived around 1:15 Saturday morning and found the building engulfed in flames. The Dorsey, Bunker Hill, Prairietown and Shipman Fire Departments responded to the fire. The building was destroyed along with a small truck. Dorsey Fire Chief Ben Farnsworth said the cause of the fire is undetermined at this time. WSMI will have more on this story as information becomes available.