In the media player above, you can hear dispatchers talking about the gas leak before the explosion.
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"I think this leak is a little worse than I thought," one of the first responders says.
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A short time later, one of the crews reveals there has been an explosion.
"We got a big gas explosion. It's knocked down a lot of this building and I'm pretty sure there were some inside."
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A woman at the scene calls for EMS after she realizes a firefighter has been injured.
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"I have a firefighter injured...we need a medic unit to Main and Duke immediately."
Listen to the audio in the media player above.
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