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Communities along Sudan's volatile border with South Sudan are bracing themselves for more violence.

Omar al-Bashir, the Sudanese president, has declared a state of emergency in the Blue Nile state after his army clashed with rebels formerly aligned to south Sudanese rebels.

Bashir also fired the state governor and replaced him with a military ruler.

Fighters loyal to the former governor are now battling the Sudanese army. Thousands of people have reportedly fled the area.

Source: Al Jazeera