More than two million children are at risk of starvation.
The ongoing 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, more than 1,500 refugees have arrived at the already packed camps of Dagahaley and Ifo in Dadaab, Kenya. (All images Keystone)