Sudan's Bashir says wants dialogue with West as new term starts
Omar Bashir has ruled Sudan since 1989; he's facing charges of genocide at the International Criminal Court
South Sudan says won't reverse move to expel U.N. official
Lanzer has been active on Twitter, where he often writes about dire situation in country that has been mired in conflict since late 2013
Climate change boosts rain in Africa's Sahel region - study
Rainfall eases droughts that killed 100,000 people in the 1970s and 80s, in rare positive effect of climate change
South Sudan hunger at its worst since independence in 2011-experts
More than 40 percent of South Sudan's 11 million people need food aid
Iraq Shi'ite militia take lead in campaign to reverse Islamic State gains
Iraqi government is scrambling to reverse its biggest military setback in nearly a year - the fall of Ramadi
EXCLUSIVE-Captured video appears to show foreign fighters in Nigeria's Boko Haram
Nigerian government has spoken of foreign influence within ranks of the jihadists but previously lacked evidence to back up its assertion
Fighting hits planting near South Sudan's Leer town, ICRC resumes aid
Some 100,000 people fled Leer and surrounding areas two weeks ago following reports of warring forces advancing on the area
U.N. investigates attack on South Sudan peacekeeping site that killed 8
Forces loyal to President Salva Kiir and rebels allied with former Vice President Riek Machar have been fighting for nearly 18 months in the world's newest state
South Sudanese shot and drown in the bush as they flee fighting
Upsurge in fighting drives tens of thousands into the bush