Fire crews battled a 3-alarm fire in Waltham, Massachusetts, on Wednesday morning.
Waltham Fire said the fire broke out at a two-family home at 12 Rumford Ave.
Police responded to assist with traffic control.
The fire was knocked down within about an hour, and companies began clearing the scene.
No injuries have been reported; authorities say it is not yet known whether anyone was home when the fire started.
The fire's cause remains under investigation.
