PONTOTOC COUNTY, Okla. (KTEN) — A sport utility vehicle being driven by a 14-year-old girl crashed near Ada early Friday morning, leaving one of her two teenage passengers dead. The incident is now being investigated as a homicide.

Oklahoma Highway Patrol investigators said the Volvo SC90 was southbound on County Road 3610 near the intersection of County Road 1590 when it went off the two-lane road around 3:25 a.m. The vehicle overturned multiple times before it came to rest.

A 16-year-old female passenger from Stonewall who was not wearing a seat belt was thrown from the SUV and was later pronounced dead after being airlifted to OU Medical Center. 

The driver and a 15-year-old female passenger — both Ada residents — were taken to an Ada hospital for treatment and released.

No names were released. 

Drivers in Oklahoma must be at least age 15-1/2 to get a learner's permit, and can then only drive while accompanied by a certified instructor.