Firefighters responded to a mobile home fire about 1:30 p.m. Wednesday on Billings South Side.
At least two people were inside, and everyone escaped without injury from the residence at South 37th Street and Washington Avenue, according to Billings Fire Battalian Chief Jason Lyon said.
A dog was inside that has not been found, he said.
Fire and smoke were seen both inside and outside the home, but the fire was controlled quickly, Lyon said.. Four engines and a ladder company truck responded, Lyon said.
This is a developing story.