A gas leak caused a house in Stayton, Ore. to explode, according to the Statesman Journal. Neighbors told KPTV of Portland they felt the blast from blocks away shortly after 11 p.m. Firefighters smelled gas in the area and called Northwest Natural Gas to turn off a natural-gas line to the house. Investigators were trying to determine the cause of the explosion. No injuries were reported. The owners of the house were away at the time.