A man wears an Abyei referendum T shirt as he plays volleyball in the town of Abyei
A man wears an Abyei referendum T shirt as he plays volleyball in the town of Abyei, ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS SOCIETY)
A woman stands in abandoned building as she dries washed clothes near polling stations in the town of Abyei
A woman stands in an abandoned building as she dries washed clothes near polling stations in the town of Abyei, ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY SOCIETY)
A woman stands in abandoned building as she dries washed clothes near polling stations in the town of Abyei
A woman stands in an abandoned building as she dries washed clothes near polling stations in the town of Abyei, ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS TPX IMAGES OF THE DAY SOCIETY)
A man wears a T-shirt for the Abyei referendum as he watches a volleyball game in the town of Abyei
A man wears a T-shirt for the Abyei referendum as he watches a volleyball game in the town of Abyei, ahead of the referendum, October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS)
Women wave South Sudan's flags during a rally in the town of Abyei ahead of the referendum
Women wave South Sudan's flags during a rally in the town of Abyei ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
Women wave South Sudan's flags during a rally in the town of Abyei ahead of the referendum
Women wave South Sudan's flags during a rally in the town of Abyei ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
A man gestures during a rally in the town of Abyei ahead of the referendum
A man gestures during a rally in the town of Abyei ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
People shout as they arrive on vehicles in the town of Abyei ahead of the referendum
People shout as they arrive on vehicles in the town of Abyei ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)
People wave as they arrive on vehicles in the town of Abyei ahead of the referendum
People wave as they arrive on vehicles in the town of Abyei ahead of the referendum October 26, 2013. Residents of the remote and disputed Abyei border region say they will press on with their own referendum on whether to join Sudan or South Sudan, despite warnings it could trigger violence in the already volatile area. REUTERS/Goran Tomasevic (ABYEI - Tags: CIVIL UNREST POLITICS ELECTIONS)