Three months after famine was declared in Somalia, the scale of the crisis in the Horn of Africa remains huge, says a British official.
International Development Secretary Andrew Mitchell said hundreds of people, mainly children, were dying every day.
According to new figures cited by Mr Mitchell, British aid is feeding more than 2.4m people across the region.
The coming rainy season is expected to bring disease to crowded refugee camps.
In Somalia alone, Mr Mitchell points out, more than 400,000 children remain at risk of death.
Health has had a high priority in British aid that has come to the region - 1.3m people being vaccinated against measles, for example, while 400,000 doses of anti-malarial medication are currently on their way to Somalia.
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