Sudan's Bashir vows to "liberate" South Sudan
Rhetoric escalates sharply after fierce border clashes that are edging the East African neighbours closer to all-out war
Sudan, S.Sudan clash on new front as UN mulls sanctions
Sudan and South Sudan accused each other of launching attacks on a new front near their contested border, stoking fears of a return to all-out war in the oil-producing region
UN council mulls Sudan, S.Sudan sanctions to end clashes
Fighting along the ill-defined border between the former civil-war foes has led to a standoff over the Heglig oil field after it was seized by troops from South Sudan
Jolie fame to highlight humanitarian crises-UNHCR
Film star Angelina Jolie is made special envoy for large-scale crises that cause huge numbers to flee their homelands
Cameroon plans climate projects to protect elephants from poaching
Worsening droughts are driving a growing share of the country's endangered elephants into the hands of poachers, officials warn
UN's Ban alarmed by militia buildup in Sudan border area
In a sharp escalation of rhetoric, Sudan's parliament brands South Sudan an "enemy" and calls for swift recapture of Heglig
Sudan parliament calls South an "enemy"
Border clashes raise spectre of relapse into war