Transcript for Mysterious Explosion in Texas Disintegrates a House and Injures 3 People
You ron hell. The country. The house in Texas blown apart by a massive explosion. At least people hurt. Yet again, the question, was natural gas to blame? Ryan Owens on the scene tonight. We heard the explosion and felt it. Reporter: One home obliterated and nine homes damaged with debris. Here is what the home looked like before the blast at 8:00 this morning. Tonight, there's just nothing left. Three people were injured. The two who lived in the house, severely burned. Nothing short of a miracle. Last month, dozens of guests at this hotel in Seattle barely escaped when an explosion ripped off the side sof a building. Safety experts say there's not much you can do but rush out of the building if you smell natural gas. They do warn you not to the turn on the lights and only call the authorities once you're a safe distance away. Neighbors say they did call the gas company over the weekend. But investigators are trying to find the exact cause. A fire chief says a natural gas leak is the chief suspect. David. When we come back, the life-saving drug that once cost
This transcript has been automatically generated and may not be 100% accurate.