It was the deadliest accident during the Haji pilgrimage in a quarter-century, with at least 717 pilgrims from around the world killed and more than 850 injured

It was the deadliest accident during the Hajj pilgrimage in a quarter-century, with at least 717 pilgrims from around the world killed and more than 850 injured. And it posed yet another challenge for the country’s new leader, King Salman, who is already coping with low oil prices, a war in Yemen and an increasingly fierce rivalry with Iran