Teen hiker dies from heat-related illness at Grand Canyon National Park (opens original article in a new tab)

An 18-year-old male died from heat-related illness while hiking in Grand Canyon National Park despite a rescue operation. The incident is under investigation, and the park warns visitors about extreme heat dangers.

• An 18-year-old hiker died from heat-related symptoms in Grand Canyon National Park.
• Park rangers and a helicopter rescue failed to save the teenager.
• The National Park Service warns visitors about extreme heat dangers on inner-canyon trails.