Ambulance leaves scene of Haitian Mardi Gras after people were electrocuted
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Three days of mourning for Haiti carnival victims

The Haitian government has cancelled the last day of this year's Mardi Gras in Port au Prince after revellers on a float were electrocuted.

Seven died in the initial accident on the float, as someone attempted to move an overhead power line with a pole. At least nine others died in a stampede that followed.

The BBC's Gary O'Donoghue explains.

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