Sierra Leone's stinking seaweed linked to Caribbean invasion

Proliferation of thick brown algae is affecting fishing, tourism and marine life on both sides of the Atlantic, say scientists

The pristine white beaches may not be as famous as those of the Caribbean, but their unspoilt beauty makes them a haven for locals and tourists alike.

But now the shimmering coastline of Sierra Leone is being destroyed by a mysterious brown seaweed which scientists link to a similar invasion affecting beaches thousands of miles away on the other side of the Atlantic.