Emergency crews are at the scene of a semi truck on fire near Dutton.
The incident was reported to the Montana Highway Patrol at about 7:23 p.m. on Saturday.
There is no word yet on the cause.
According to the MHP website, there are no serious injuries.
It happened near mile marker 313 in the southbound lane of I-15.
Drivers are advised to avoid the area if possible, or be prepared for a detour and delays.
We will update you if we get more information.