A judge in Brazil has ordered a halt to construction of a multi-billion-dollar dam project in the Amazon region.
Judge Carlos Castro Martins barred any work that would interfere with the natural flow of the Xingu river.
He ruled in favour of a fisheries group which argued that the Belo Monte dam would affect local fish stocks and could harm indigenous families who make a living from fishing.
The government says the dam is crucial to meeting growing energy needs.
Judge Martins barred the Norte Energia company behind the project from "building a port, using explosives, installing dikes, building canals and any other infrastructure work that would interfere with the natural flow of the Xingu river, thereby affecting local fish stocks".
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