The worst drought in decades has driven many people from their homes. Others are cut off from potential help by a long-running Islamist insurgency.

One mother told the BBC that her three-year-old daughter had died of hunger and thirst as they walked to the south-western city of Baidoa for help.

A BBC correspondent says local hospitals are full of emaciated children.

A minister in the regional administration says 50% of people who need aid are not receiving it.