Between 100,000 and 200,000 people may have died in Haiti as a result of the devastating earthquake that struck last Tuesday.
American doctors on the island are saying that as many as 20,000 people who could be saved by surgery, may die each day.
Thirteen hospitals in or around Port-au-Prince are working, but destroyed roads mean doctors are only present in small numbers in the worst hit towns and villages.
The BBC's Mark Doyle reports from a Medicins Sans Frontieres field hospital in the capital Port-au-Prince. His report contains graphic material.
First broadcast 21 January 2010
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