(West Alexandria, OH)--There was an explosion at a Preble County business Wednesday morning.  It happened at around 8:30 at a welding shop on U.S. 35 in West Alexandria.  Workers were cutting with an acetylene torch when it began to leak and caused the explosion.  No injuries were reported and there was no damage done to the building.  It did create a small fire, which employees were able to extinguish on their own.