Two people died and another person was seriously injured in a two-vehicle crash that occurred Sunday afternoon south of Rapid City.

Names of the five people involved in the crash are not being released pending notification of family members.

Preliminary crash information indicates that a 2018 Kia Niro had stopped at the stop sign at the intersection of Upper Spring Creek Road and South Dakota Highway 79. The Kia drove into the intersection where it collided with a 2012 GMC Yukon which was southbound on Highway 79.

Both front-seat occupants in the Kia – the 31-year-old male driver and the 30-year-old female passenger – were pronounced dead at the scene. A five-year-old male passenger in the backseat sustained life-threatening injuries and was airlifted to a Rapid City hospital. The two adults were wearing seat belts. The seat belt use of the juvenile is under investigation.

The 16-year-old female driver of Yukon suffered minor injuries and was transported to a Rapid City hospital. The 14-year-old female passenger was not injured. Both were wearing seat belts.

South Dakota’s Highway Patrol is investigating the crash. All information released so far is only preliminary.