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Runners clicked out warnings as they torpedoed through the crowds, pushing wheelbarrows full to the brim with still twitching sea-life, and crumpled dalasi bills exchanged hands at a furious pace.

In his pocket he had five Gambian dalasi - about 80p or $1.20 - that he had saved from the change when sent on an errand to the village shop.

No wonder the local currency, the dalasi, fell by 12% against the dollar last year.

To prop up the dalasi the central bank has raised interest rates from 12% to 22% over the past two years.