Why over 20 million are hungry in Africa

Somalis fleeing drought-stricken areas arrive at a makeshift camp on the outskirts of Mogadishu. Famine is a serious risk in the country, the UN says. Photograph: Farah Abdi Warsameh | AP

What you need to know:

  • Low or underinvestment in agriculture is also behind the prevalent hunger threatening the lives of over 20 million souls