A girl carries firewood at a camp for internally displaced people in Kaya, Burkina Faso - one of four Sahel countries expected to face extreme levels of food insecurity in coming months. Reuters
A girl carries firewood at a camp for internally displaced people in Kaya, Burkina Faso - one of four Sahel countries expected to face extreme levels of food insecurity in coming months. Reuters

UN says 18 million people in Sahel region face severe hunger