HIGH FOREST, Minn. – The main building at the Nelson used car place was destroyed by fire. Firefighters from nearby Stewartville, south of Rochester, found the west side of the building fully ablaze about 9:30 p.m. and soon, as cans f gasoline exploded inside, the whole structure was engulfed and collapsed. Half a dozen vehicles were destroyed. Fire Captain Steve Denny said the cause will be investigated. The building was being rented out for automotive and repairs. The address: 12329 County Road 8 Southwest.