Abyei Still a Sticking Point Between Sudans
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Sudan's President Omar al-Bashir, center-left, and South Sudan President Salva Kiir (r) celebrate the signing of 9 agreements, in Addis Ababa, Ethiopia, September 27, 2012.
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A year after the agreements were signed, South Sudanese Foreign Minister Barnaba Benjamin Marial said Sudan has blocked progress on a key issue: a referendum on Abyei's status.
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Sudanese Foreign Minister Ali Ahmed Karti warned South Sudan against taking unilateral action on Abyei.
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Abyei residents, who fled to northern Sudan during the long civil war, came back ahead of a referendum that was supposed to be held for the region in January 2011.