NEW: One dead, three seriously injured in Roberts County crash

BROWNS VALLEY, S.D. (AP) – Authorities say one person was killed and three others seriously injured when an SUV and a semi-truck collided in northeastern South Dakota.

The crash happened Friday afternoon south of Browns Valley, Minnesota in Roberts County.

Authorities say the SUV was traveling around a curve on Valley Avenue when it drifted across the center and collided head-on with the semi.

The SUV rolled in the ditch. The 35-year-old woman who was driving was thrown from the SUV and died at the scene. She was not wearing a seat belt.

Her three passengers all suffered life-threatening injuries and were taken to hospitals. The 37-year-old man who was driving the semi had minor injuries.

Names of the victims have not been released. The Highway Patrol is investigating.