Sudan, S.Sudan leaders make another push for border deal
Sudanese President Omar Hassan al-Bashir and southern counterpart Salva Kiir have so far failed to agree during three long meetings on the details of a buffer zone map proposed by the AU
U.N. says saw airdrop in restive South Sudan state
South Sudan army's accusation came as the two countries' presidents met in Ethiopia to work out unresolved oil and border issues
S.Sudan accuses Sudan of supplying arms to rebel group
Sudan dismissed the charges and any links to rebels in the South, which seceded from Khartoum last year under a 2005 peace deal
Sudan, S.Sudan leaders to discuss border, oil
The two countries must reach a comprehensive peace deal this weekend or risk incurring U.N. Security Council sanctions