(La Porte County, IN) - Police are investigating a fatal crash that took place south of Michigan City Sunday morning.

Shortly after 11:00 a.m. county sheriff’s deputies were dispatched to US 421 and CR 125 South. That intersection is at the north end of Purdue’s Westville campus.

According to police, a 2016 Jeep traveling north on 421 collided with a semi-truck heading south. The truck, driven by 50-year-old Carl Thomas of Knox, then hit another northbound vehicle, a 2019 Buick SUV.

The Jeep’s driver, 34-year-old Amanda Bolka of South Bend, was taken to the hospital with undisclosed injuries. A passenger in the Buick was also taken to a local hospital. The Buick’s driver was airlifted to a regional hospital and later died. Their identities have not been released, pending notification of the family.

The truck driver refused medical treatment at the scene.

Toxicology reports are pending, as police continue to investigate what caused the accident.