EMPORIA, Kan. (AP) - Two sisters from Andover died when the vehicle they were riding in collided with a semi-trailer truck near Emporia.

The Kansas Highway Patrol says 19-year-old Holland Moody died at the scene of the Tuesday afternoon accident on Interstate 35. Her 18-year-old sister, Kyle Moody, died hours after the accident at Stormont-Vail Hospital.

The driver of the car the sisters were in, 18-year-old Jessica Lotz of Andover, was treated and released from an Emporia hospital, as was 44-year-old Linda Cunningham of Centralia, Mo., a passenger in the truck.

The driver of truck, 48-year-old Jimmy Cunningham of Centralia, Mo., was not injured.

The patrol says it's unclear why the vehicle the sisters were in crossed the center line and collided with the truck.