CASPER, Wyo. — Wyoming highway patrol authorities say two people were killed and two others injured in a head-on vehicle collision.

The Casper Star-Tribune reports ( ) the two vehicles collided Wednesday on Highway 220 near Casper when an eastbound pickup crossed over the center line into the westbound lane.

Patrol Sgt. Kyle McKay identified the two killed as 46-year-old Soonyoung Lee and 3-year-old Jaehyeok Seo. Both are from South Korea. He says both were in the westbound vehicle along with another passenger who was injured and taken to Wyoming Medical Center in Casper.

McKay says the driver of the other vehicle also was injured and hospitalized.

The accident remains under investigation.

Information from: Casper (Wyo.) Star-Tribune,