More than 700 pilgrims killed in Saudi Hajj stampede, how large is Technology’s role

Two giant waves of Muslim pilgrims collided at an intersection on 24th Sep 2015 near a holy site in Saudi Arabia, and more than 717 people were crushed and trampled to death in the worst disaster at the hajj in a quarter-century. Arabia’s civil defence directorate said, at least 863 other pilgrims were injured in the stampede, which took place in Mina, on the outskirts of the holy city of Mecca.