MARION — Two people were killed in a one-vehicle crash that happened Friday evening on I-57 in Marion.

Illinois State Police say around 5:15, a semi was traveling north on I-57 at milepost 52 when it traveled off the roadway to the right for an unknown reason before striking a group of trees.

The driver and passenger were both ejected from the semi.

The Williamson County Coroner’s office declared the driver and passenger dead at the scene. Their names are not being released until family members are notified.