The criminal lawsuit filed by Congresswoman Marisol Turres of the right-wing Independent Democratic Union (UDI) party and her husband and attorney, Marcos Velasquez, seeks to find who is to “blame” for problems caused by ISA.

Investigations were under way before the lawsuit to deterine how the ISA came into the Chilean salmon farming industry.

A report last week from a team led by a Canadian researcher said it had proof ISA was transmitted from Norway to Chile, based on samples of salmon taken from all the world's major growing regions.

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