One of the major sticking points in the upcoming referendum on south Sudan's secession from the north is the future of Abeyi, an oil-rich border region which both sides want to control.<br /><br />Solving the dispute temporarily, a deal to postpone the decision over who controls the nation's oil wealth has been postponed.<br /><br />But as Al Jazeera's Anita McNaught reports from Juba, this could spell future difficulties for the country.
