MURDO, S.D. (AP) — The South Dakota Highway Patrol has identified two people killed in a weekend crash west of Murdo.

A couple from Pierre died when their pickup truck collided with a semi on Interstate 90 and caught fire. Authorities say the semi was eastbound, entered the median and traveled into the westbound lanes where the collision occurred Sunday.

Sixty-four-year-old Terrie Roede and 59-year-old Randy Roede were pronounced dead at the scene.

The driver of the semi wasn't injured.

The Highway Patrol is investigating the crash.