A crush of pilgrims heading towards Mina, a large valley near Mecca, on the last day of the hajj pilgrimage has killed hundreds. The valley has been the scene of stampedes in the past. Some two million participated in this year's hajj.
Open this photo in gallery: Muslim pilgrims and rescuers gather around the victims of a stampede in Mina, Saudi Arabia. The Associated Press
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Open this photo in gallery: Open this photo in gallery: Muslim pilgrims care for the injured and grieve for the dead following a stampede in Mina, Saudi Arabia. The Associated Press
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Open this photo in gallery: Medics give first aid to victims of a hajj stampede that killed more than 400 people and wounded hundreds in Mina, near the holy city of Mecca in Saudi Arabia. AFP / Getty Images
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Open this photo in gallery: A Muslim pilgrim mourns near a body following a crush caused by large numbers of people pushing. Reuters
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Open this photo in gallery: An ambulance evacuates victims following a crush caused by large numbers of people pushing at Mina. Reuters
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Open this photo in gallery: A Saudi policeman pushes a wheelchair with an injured pilgrim outside an emergency hospital following a deadly stampede in Mina. Mohammed al-Shaikh/AFP / Getty Images
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Open this photo in gallery: Thousands of tents are prepared to host millions of Muslim pilgrims during the annual hajj pilgrimage in Mina, near the holy city of Mecca, Saudi Arabia. Mosa'ab Elshamy/The Associated Press
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Open this photo in gallery: Muslim pilgrims walk to cast stones at pillars symbolizing Satan during the annual hajj pilgrimage in Mina. Ahmad Masood/Reuters
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Open this photo in gallery: Muslim pilgrims cast stones at a pillar symbolizing the stoning of Satan, in a ritual called "Jamarat," in Mina. Mosa'ab Elshamy/The Associated Press
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Open this photo in gallery: Muslim pilgrims cast stones at a pillar symbolizing the stoning of Satan, the last rite of the annual hajj, on the first day of Eid al-Adha, in Mina. Mosa'ab Elshamy/The Associated Press
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