Twenty people were displaced in a fire at the Emerson Village Apartments on Indianapolis' southeast side Tuesday morning.
WTHR13 reported heavy fire was coming from the roof when firefighters arrived around 4:15 a.m.
Crews were able to bring the fire under control in about 30 minutes, with the building sustaining heavy damage.
One firefighter was slightly injured battling the fire and released after being examined at the scene, an Indianapolis Fire Department spokesperson said.
Sixteen units were impacted, with eight heavily damaged from the fire and another eight sustaining significant smoke damage.