Threat of famine in Horn of Africa
There are fears that a famine could develop in the Horn of Africa, which is facing acute food shortages.
The UK has pledged £38m ($61m) in food aid to drought-hit Ethiopia - enough to feed 1.3m people for three months.
Thousands of people have been arriving each day at camps set up by charities like Save the Children.
Mike Wooldridge reports on the acute situation in Kenya and Somalia.