Blonca Saint-Louis, 21, and Mackenzie Elizabeth Guilliams, 19, killed in head-on collision on Highway 330 in Jasper County, Iowa

The Iowa State Patrol reports a 2018 Hyundai Elantra driven by 21-year-old Blonca Saint-Louis, of Des Moines, was traveling southbound in the northbound lanes of Highway 330 near mile-marker 3.55, when the vehicle collided with a 2012 Infinity G-37, driven by 19-year-old Mackenzie Elizabeth Guilliams, of Clinton.