Extreme heat expected again at the Grand Canyon after 3 hikers die in heat-related incidents

Summary

GRAND CANYON NATIONAL PARK, Ariz. (AP) — Visitors to Grand Canyon National Park are being warned about extreme heat that will plague the popular destination early next week after a recent increase in heat-related incidents in the inner canyon, including the deaths of three hikers. The U.S. National Weather Service issued an extreme heat watch at…