Billings firefighters extinguished a fire in a residence at 214 S. 29th St. Friday afternoon.
No one was in the residence at the time, said Battalion Chief Ed Regele. The fire was called in by a passer-by, he said. The call came in at about 1:25 p.m.
Firefighters extinguished the fire and by 2 p.m. were mopping up and ventilating the residence. The fire was in one unit of a duplex. The second residence had light smoke damage, Regele said.
The cause was not immediately available, but Regele said a fire marshal would be investigating. Four engines, a ladder truck, along with the battalion chief responded.