An oil rich region of Sudan is seen by some as the tinderbox for Africa's next war.
Abyei is sandwiched between North and South.
But a referendum in three years time will decide whether to merge with southern Sudan.
Tension is already brewing over grazing rights between the African Dinka and the Misseriya Arabs who move south every winter.
The Dinka believe the Arabs are only guests on their territory and should recognise their right to the land.
Mohamed Vall found a tribe fearing for their way of life.
afrol News - Huge diamonds found in DRC : "A Canadian mineral exploration firm, Mexivada Mining Corp, has reported the discovery of two large diamonds in its 100% controlled Malambani Permis de Recherche concession, located near Mayoko in the Democratic Republic of Congo (DRC). Mexivada described the first stone as a white, modified octahedron 7.5 milimetres in diameter while the second stone was a shiny 6 milimetre greenish-white coloured dodecahedral diamond. Each of them weighs 0.1 gram"