CNN —A woman died at the Grand Canyon National Park while trying to hike eight miles on Sunday, the National Park Service said. The 57-year-old was hiking near the Tuweep area of the park when she became unconscious, according to a news release from the park service. An excessive heat warning is in place for the inner parts of the Grand Canyon through Wednesday, NPS said. The park service is investigating the incident alongside the Mohave County Medical Examiner. And extreme heat is the No.

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Persons: stepsons, Tarik Benmarhnia, San Diego Organizations: CNN, National Park Service, NPS, Medical, Environmental Protection Agency, University of California, US Centers for Disease Control Locations: Mohave, Big Bend, Texas, San, United States, Mexico