LAS VEGAS (KLAS) — Las Vegas police say an 18-year-old girl has died and four other teens were injured when their vehicle rolled over.

The Clark County Coroner’s Officer has identified the girl as Summer Potochan from Las Vegas.

Authorities say the crash occurred Sunday night around 10:17 on a dirt access road between Tropical and Centennial parkways.

A pickup truck carrying six people between ages 17 and 19 lost control for an unknown reason and went down an embankment.

Police say two teenage girls riding in the truck bed and were thrown upon impact. They and a third girl were taken to a hospital with serious injuries. One of them was Potochan who later succumbed to her injuries.

Two other teen passengers suffered minor injuries. The 18-year-old woman driving was uninjured and showed no signs of impairment. The investigation into the crash remains ongoing.