Amateur video captured the chilling moment a crane collapsed at the Grand Mosque in the Muslim holy city of Mecca. A loud bang can be heard followed by frantic movement among the crowds of worshippers at the site.<br /><br /> At least 107 people have died and 238 people were wounded, according to Saudi authorities. It comes days before the annual hajj pilgrimage which sees millions of Muslims converge on Mecca.<br /><br /> Dramatic GettyImages pix: >60 worshippers dead as crane collapsed as world's holiest Muslim site at #Mecca, #Saudi pic.twitter.com/Jz6qq8kydY— Jon Williams (WilliamsJon) September 11, 2015<br /><br /> The civil defence authority said strong winds and heavy rains had caused the crane to topple over. Last year, Saudi Arabia began a major expansion of the holy site. As such the area of the Grand Mosque will be increased by 400,000 square metres in order to accomodate 2.2 million people at a time.<br /><br /> With such vast numbers visiting, Saudi authorities have invested heavily in improving safety and tran
