SALT LAKE CITY (KUTV) — Authorities are investigating after National Park Service rangers responded to a report that someone was performing CPR in Arches National Park.

The incident occurred Tuesday afternoon on the park’s popular Delicate Arch Trail, where life-saving measures were performed on a 58-year-old woman, according to a brief statement from the NPS, which is reproduced in full at the end of the article.

At the time this article was last updated, the woman’s identity had not been publicly disclosed.

According to NPS, Arches park rangers, Grand County sheriff’s deputies, Grand County EMS and Classic Air Medical arrived at the scene.

“Resuscitation attempts were unsuccessful,” the park service said.

The woman’s death was confirmed at the crime scene.

This article is currently being updated. Please update your browser to get the latest information.

The Grand County Sheriff’s Office and the National Park Service are investigating the situation.

Authorities did not provide any information about what might have happened or whether there was a probable cause of death.

It was not known whether the woman suffered any injuries or if it was a medical incident.

The NPS did not say whether the person or persons performing CPR were known to the victim, nor was it clear whether anyone witnessed the incident.

KUTV 2News has contacted the National Parks Service for more information.