Firefighters investigating cause of business fire
Posted: Mar 23, 2016 4:39 PM EST
The South Bend Fire Department was called to a fire at Pioneer Metal Finishing on Foundation Drive just before 3:30 a.m. Wednesday.
When firefighters arrived, they could see smoke inside the building through the windows.
They forced their way into the building and discovered the fire had been put out by the building's sprinkler system.
The cause of the fire is under investigation.