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Haiti presidential candidates denounce election fraud

Twelve of the 18 candidates in Haiti's presidential election have called for Sunday's vote to be cancelled.

The candidates, including opposition frontrunner Mirlande Manigat, said the polls were fraudulent and favoured the ruling party contender.

Thousands of people marched in Port-au-Prince, demanding that the poll be scrapped, while the UN mission in Haiti expressed its "deep concern".

Mark Doyle reports from Port Au Prince.