The aid agency, Oxfam, says one person is likely to die every 36 seconds between now and the end of the year in the Horn of Africa as drought ravages the region.
Large parts of Kenya, Somalia and Ethiopia are bracing for a fifth failed rainy season, with millions abandoning rural areas for makeshift camps near towns.
Oxfam said the number of people experiencing acute hunger in Somalia has surpassed the number affected by the famine of 2011 when 250,000 people died.
The war in Ukraine has affected the prices of basic foodstuffs which have tripled in some areas.
