Three hikers die from extreme heat while making their way through the Grand Canyon (opens original article in a new tab)

Three hikers died from extreme heat while hiking in Grand Canyon National Park this month, with park officials warning of dangerous conditions on inner canyon trails.

• Three hikers died from extreme heat in Grand Canyon National Park this month.
• The hikers died on trails where temperatures can exceed 109 degrees Fahrenheit in the shade.
• Park officials are advising visitors to avoid Inner Canyon trails between 10 a.m. and 4 p.m. due to dangerous heat conditions.