Arson is suspected in a house fire on Billings South Side. Q2 reports Firefighters extinguished the blaze that burned the exterior of 133 Adams St on Tuesday night. Billings Fire sent four engines to the scene. Both the BFD and Billings Police Departments are investigating. Deputy Fire Marshal Andrew McLain said investigators suspect arson. The call came at 6:28 p.m., and the fire was out within minutes. No one was injured. Damage was estimated at $1,000, according to Q2 reporter Russ Riesinger.