A two-vehicle head-on crash southwest of Laurel closed Highway 212 on Monday morning.
Traffic was diverted on Whitehorse Road to the old highway.
Three people were injured in the crash. One was transported by helicopter to a local hospital, and two others were transported by ambulance.
Laurel Fire, Joliet Fire, AMR, MHP and the Yellowstone County Sheriff's Office were at the scene. HELP Flight was also called to respond.
This is a developing story. Check back for updates.