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Khartoum has warned traders from northern Sudan of the dangers of working in the south of the country, ahead of the south's referendum on self-determination.

The Sudanese government says the traders are at risk of attacks by southerners if unrest between the two regions erupts.

But as Anita McNaught reports from Juba in South Sudan, some businessmen there do not share that viewpoint.

Source: Al Jazeera