Quarter of Yemenis suffer from hunger
US could deploy ground forces in ISIL fight
WHO: Ebola crisis "unparalleled in modern times"
Neighbours meet to discuss way forward for Libya
Cameron appeals to Scots to keep Britain united
NASA to resume human space flight, focus on Mars
Ebola: EU states urged to commit additional cash
Indians toil so children can escape slum life
Air France pilots' strike sparks travel chaos