GRAND CANYON NATIONAL PARK, AZ - Authorities say a man has died while hiking at Grand Canyon National Park.
Park rangers received a 911 call from a visitor reporting CPR was being performed on a hiker on the North Kaibab Trail around 2:20 p.m. Friday.
National Park Service personnel responded to the scene and continued CPR.
Authorities say all efforts to resuscitate the victim were unsuccessful.
The body was found about one-half mile down trail from the North Kaibab Trailhead.
The name of the man and his hometown weren't immediately released.
An investigation into the incident is being conducted by the National Park Service and the Coconino County Medical Examiner.