Crews are fighting a wildfire that erupted northwest of Craig on Tuesday morning.
As of about 3 p.m., the fire has burned an estimated 500 acres.
Witnesses tell MTN News that the fire is burning northwest of Craig, along the north/west side of Highway 200, just east of the Dearborn River and west of Highway 434.
We're told that emergency personnel from several agencies have been dispatched to the fire, including the Montana Department of Natural Resources & Conservation.
The Helena Interagency Dispatch Center says that "multiple" county resources are at the scene, along with one helicopter.
There have been no reports of any injuries.
There is no word yet on whether the fire is threatening and homes or buildings.
The cause of the fire is not yet known.
We will update you when we get more information.
(UPDATE, 3:12 p.m.) The Helena Interagency Dispatch Center now reports "structures threatened."
At least one air tanker has been ordered to respond to the fire.