Authorities released the name of a car accident victim killed early Sunday morning in Broadwater County.

Kelly O'Loughlin, 15, of Helena, a sophomore at Helena High School, died from a severe head injury after the car she was riding in struck two elk on Highway 284.

The collision tore off the roof of the 2007 Honda Civic, according to Montana Highway Patrol Trooper Conner Smith.

O'Loughlin, who was a rear-seat passenger, died shortly after impact, either from being struck by the elk or part of the roof, said Smith.

The accident occurred at approximately 4:45 a.m at mile marker 18.7, approximately one-tenth of a mile south of Avalanche Creek.

After the accident, the driver apparently became disoriented and turned the car around, heading toward Townsend, said Smith.

Within a half-mile of the accident, the car stalled. Two teen passengers ran to a nearby farmhouse for assistance, Smith said, while the driver stayed with O'Loughlin.

The 17-year-old driver from Butte, a 14-year-old-girl from Helena and a 16-year-old boy from Butte received minor injuries. They were treated at St. Peter's Hospital and were released.

The teens had been at Canyon Ferry Lake before the accident, Smith said.

"We know some alcohol was involved," Smith said. "We don't know if it contributed to the crash."

The investigation is continuing, Smith said, including which of the teens may have been drinking and whether alcohol and the car's speed were factors in the accident.

Helena High School Principal Greg Upham said Monday that the school had "set up grief counseling in support of our staff and students throughout the day."

Reporter Marga Lincoln: 447-4074 or marga.lincoln@helenair.com