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DECATUR, Ala. (WHNT)- A building with two businesses inside caught fire in Decatur Sunday evening.

It happened around 6:00 pm Sunday evening.

Life Source, Inc. and Southeastern Mechanical Services, LLC (SMS) are the businesses inside the brick building located at the intersection of 7th Street and 4th Avenue Southeast.

A preliminary investigation from Decatur Fire and Rescue investigators show the cause of the fire may have been an electrical issue.

Investigators say the fire started in the front office area of Life Source. That office has heavy damage and the rest of the Life Source center has smoke damage, according to investigators.

They say the fire wall between the businesses prevented the fire from spreading to SMS. That businesses has smoke damage, too.

No one was injured.