The Hajj, which last year drew about two million faithful, will take place despite Friday’s tragedy, Saudi authorities said as crowds returned to pray a day after the incident.
Hundreds of thousands of pilgrims had already arrived in Mecca when the massive red and white crane toppled over during a thunderstorm on Friday.
"We will investigate all the reasons and afterwards declare the results to the citizens," King Salman said after visiting the site.
Parts of the Grand Mosque remained sealed off on Sunday around the wreckage of the crane, which also injured over 238 people when it crashed into a courtyard.
Saudi Civil Defense Chief Sulayman Bin-Abdullah al-Amr, said the investigations continue as to evaluate the damage.
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PL-10/MNA