How Hajj pilgrim 'e-bracelets' work
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How Saudi Hajj pilgrim 'e-bracelets' work

Pilgrims performing Hajj in Saudi Arabia have been issued with special digital bracelets containing details about the wearer.

It follows last year's Hajj when hundreds of people died in a crush and many victims could not be identified.

The 'e-bracelets' work via a special app, as Sally Nabil reports from Mecca.