Emergency crews are at the scene of a crash in Cascade County.
The crash was reported to the Montana Highway Patrol at 8:45 a.m. on Monday.
It happened near Armington Junction, just south of Belt, where US Highway 87 intersects with US Highway 89.
The Montana Department of Transportation says that at least two vehicles are involved in the crash, and the road is blocked.
At this point, there is no word on whether anyone has been seriously injured, nor the cause of the crash.
Drivers are advised to be extremely careful in the area so that emergency crews can work safely; be prepared for delays.
We will update you as we get more information.
UPDATE: Four people have died; click here for the latest information .
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