Arson investigators were working to learn if a south side business fire was intentionally set Monday morning.
Fire crews were called to the 1100 block of Williams Road to find the roof of an auto repair shop on fire before 4 a.m.
Firefighters contained the flames quickly, but were not able to uncover the cause of the blaze.
Arson investigators said they would return to the business and look for evidence during daylight hours. They will be checking for surveillance cameras at nearby businesses.
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