***UPDATE 4/5 ****
Flint fire fighters were called back to the apartment building overnight.
A passerby noticed smoke coming from the Ballenger Manor Apartments around 12:30 this morning.
Fire officials say a mattress caught fire.
It is unclear whether yesterday's fire rekindled or whether someone set that mattress on fire.
There were no injuries this morning.
**** End Update****
Flint police are investigating a deadly Thursday morning fire as arson. They're investigating the death of an unidentified woman as a homicide.
Anyone with information should call Sgt. David Bigelow at 810-237-6924 or the arson tipline at 1-800-44-ARSON.
A fire at an apartment building in Flint forced the evacuation of residents this morning.
Firefighters responded to a fire at the Ballenger Manor apartments, located in the 800 block of Ballenger at Court.
It is unknown at this time how the fire started.Residents were evacuated and at least 10 units were destroyed forcing residents to find other places to live.
Stay with NBC25 as more information becomes available.