STERLING, Colo. (CBS4) — Four people were killed in Sterling after a semi truck jackknifed on Interstate 76 and was sticking out across the eastbound lanes.

The crash happened just after midnight. Colorado State Patrol Trooper Gary Cutler says a Chrysler Pacific traveling east went underneath the semi. The roof of the car was torn off in the crash.

READ MORE: Rep. Jason Crow Wants Bill That Would Let Victims Sue Gun Manufacturers And Dealers For Illegal Use Of Firearms

Officials says all four people in the car were killed.

READ MORE: GadellNet Consulting Services Bringing 55+ Jobs To Denver

They add the roads were slick Friday night. The 46-year-old driver of the truck and his male passenger were not hurt.

No information on the victims of the crash has been released.

MORE NEWS: Denver Mayor Michael Hancock Joins Other Mayors Asking Biden To Be Included In Climate Migration Study

It’s not clear if the truck driver took measures to warn oncoming traffic.