NASHVILLE, Tenn. --
Emergency crews responded to a fire at at a home in south Nashville at about midnight Tuesday.
Crews said this was the second call they had received from the Harold Drive residence that night.
A few hours earlier, there was another fire at the home that was caused by a tree falling on a power line.
Flames were pouring from the roof when crews arrived for the second fire. Officials said one firefighter was hurt battling the blaze when another crew member fell on his shoulder.
The fireman was hospitalized with minor injuries.
Crews from Nashville Electric Service cut the home's electricity after the first fire, so authorities aren't sure what started the second one.
The family who lived at the residence wasn't home at the time of the second fire.
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