IT has sheltered Viking longships and the British Grand Fleet and is the last resting place for the Kaiser's scuttled German fleet, but now the waters of Scapa Flow are being disturbed by new hostilities.

Fishermen in Orkney have accused the islands' council of threatening an important fishing ground by proposing to weaken 20-year-old environmental controls which ban discharging any ballast water loaded elsewhere into Scapa Flow.

They fear dumping any amount could lead to alien species being introduced.

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