Toxic substance behind German fish die-off

Updated August 12 2022 - 9:33pm, first published 9:28pm
It's not yet been known how many fish had died in the Oder River across Poland and Germany. (AP PHOTO)
It's not yet been known how many fish had died in the Oder River across Poland and Germany. (AP PHOTO)

An unidentified highly toxic substance in the Oder River, which runs through Poland and Germany, appears to be the cause of a mass die-off of fish in the waterway, officials from both counties say.

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