Transcript for At least 2 hurt when natural-gas blast levels West Virginia home
Now, the home explosion in West Virginia. Homeowners had reported a problem beforehand. And ABC's David Kerley is on the scene tonight. Reporter: Tonight, pictures of the flames that followed that gas explosion, which rocked this West Virginia neighborhood at lunchtime. I need all tankers to proceed directly down cloverdale road. Reporter: Up to 50 firefighters from the surrounding area battling the blaze. At least two people were injured, one medevaced to the hospital. I'm having some priority one burn victims. Reporter: With the fire out, officials have a good idea what happened. Investigators say two technicians were working in the basement of the home to fix a problem that was reported overnight with the propane furnace. The next thing we know, they said there was an explosion. Reporter: The suspicion, there was a leak that somehow what was the source of that ignition? Investigators combing through the charred remains, looking for clues. Even in the dark, investigators are still here at the house, looking for the ignition of that blast. While the two victims are being treated in a local hospital. David?
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