Huntsville Fire and Rescue responded to a fire at Madison Grove Apartments, located at 4304 Myrtlewood Drive, late Monday morning.
Fire Marshal Dan Wilkerson said three people were injured: Two with burns and one with smoke inhalation.
Don Webster, Huntsville Emergency Medical Services spokesman, said a man and woman were taken to Huntsville Hospital due to burns and smoke inhalation.
Wilkerson said six units responded to the fire.
The cause of the fire is accidental, he said.