The Security Council is sending another 1,100 peacekeepers to the Abyei region disputed by Sudan and South Sudan, and is demanding that Sudan complete the withdrawal of all its troops and police from the area, AP reported. The council unanimously agreed Wednesday to boost the U.N. Interim Security Force for Abyei troop strength 5,326. The U.N. mission will partly help mark the border in the desert region and monitor a demilitarized zone. Both governments began withdrawing troops from Abyei in March. In the wake of a May 4 tribal attack on a U.N. convoy that killed the chief of the Ngok Dinka and an Ethiopian peacekeeper. The Security Council directed its U.N. mission speak with the Misseriya and Ngok Dinka communities to cool tensions and to urgently eliminate heavy weapons.