Credit: CBS 13

SANFORD — A firefighter was injured, and three people are unable to return home after a fire in Sanford forced them out of their building Tuesday night.

Crews told CBS 13 they responded to the fire at a home on Elm Street.

Three people lived in the building and everyone made it out safely, officials said.

One firefighter was treated for injuries and released.

It’s not immediately clear what caused the fire.