A house fire in northern Indiana left a number of people injured, including a firefighter who fell through through a floor, authorities said.

South Bend Fire Chief Carl Buchanon said four or five people were taken from the burning home Sunday evening, WNDU-TV reported. Adults and children had been trapped inside, according to fire officials.

One person was airlifted to a hospital burn unit in Fort Wayne, while three others were taken to a local hospital. 

4 FOUND DEAD IN BURNING INDIANA HOME, FIRE OFFICIALS SAY

Their conditions were not immediately known.

The injured firefighter was treated at a hospital and released.

INDIANA FIRE AT RECYCLING PLANT PROMPTS EVACUATION OF MORE THAN 2,000 RESIDENTS

Fire crews in South Bend, which is located south of the state line with Michigan, battled the blaze for about three hours. The cause of the fire was under investigation.