Hundreds fleeing S.Sudan shooting seek U.N. refuge
Protest began after bodies of Dinka tribesmen found
Sudan, South Sudan to discuss rebel support next month
Sudan accuses Juba of supporting SPLM-North rebels
Number of aid workers attacked hits record in 2011
Most attacks on aid workers in 2011 took place in a handful of highly insecure countries, and kidnapping became the most frequent form of violence, a new report shows
140 characters to untangle the world's crises
U.N. aid chief gives her views on pressing humanitarian issues in AlertNet Twitter chat
Chad sends troops to back CAR army against rebels
"The moment is delicate. The life of the nation is in danger," CAR's parliament speaker Celestin Leroy Gaombalet said