Omar al-Bashir, Sudan's president, recently sent a strong message asserting the south's legitimate right to hold its self-determination referendum on January 9, and ensuring security for both sides in case unrest erupts over the vote.
But main opposition parties in Khartoum, the capital, have expressed fears over a separation, warning it will not bring any good for either region.
Al Jazeera's Mohammed Adow reports.
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