"Some people thought it was flour," one fishermen says. "Others thought it was fertiliser to put on their tomato plants, others thought it was something we put in dried fish."
The strange powder was in fact cocaine. One man painted his boat with it. Another used it to mark out a football pitch.
The fishermen were unaware that they had discovered some of the first evidence of a major shift in international drug trafficking.

The fifth poorest country in the world has been blighted for decades by civil war, coups and cholera.