On the most important Muslim holiday associated with sacrifice, over 500 people died while performing the Hajj.
The believers were performing the Hajj in Mecca.
Despite the warned heat wave and the conflict in Gaza, more than 1.8 million worshipers took part this year, according to data from Saudi Arabian authorities.
In the holy city of Islam, the average temperature reached at least 47 degrees, and the maximum up to 51 degrees Celsius.
The rituals are being concluded today with the customary "tawaf" in Mecca (circling the Kaaba, the Grand Mosque, in a counter-clockwise direction.
This year, there were 550 deaths from the heat in Mecca, almost double compared to last year's Hajj.