A total of five people are hurt Saturday night, two of them serious after the driver of the car they were in lost control on the highway.
It happened on I-29 north, just a quarter mile from the Worthing exit.
The South Dakota Highway Patrol says the driver lost control and the car rolled into a ditch.
It happened around 7 p.m. Saturday.
Only one lane is open on the interstate during this accident. Traffic is moving very slowly.
Authorities aren't releasing the names of who was involved. Only one car was involved.
We'll be sure to give you more information once we get it.