More than 1,300 people died during Hajj, many of them after walking in the scorching heat
apnews.com
83% of the 1,301 fatalities were unauthorized pilgrims who walked long distances in soaring temperatures, the Saudi health minister said.

“During this year’s Hajj period, daily high temperatures ranged between 46 degrees Celsius (117 degrees Fahrenheit) and 49 degrees Celsius (120 degrees Fahrenheit) in Mecca and sacred sites in and around the city”