More than two million children are at risk of starvation.
The on-going and deadly drought in the Horn of Africa has forced hundreds of thousands of families to flee their homes. Southern Somalia is in the midst of the worst famine to hit the country in at least 20 years. In recent weeks, over 1,500 refugees have been arriving daily in already-packed camps of Dagahaley and Ifo in Dadaab, Kenya. (All Images Keystone)