A whopping 100 tonnes of dead fish recovered from the Oder River that flows through Poland and Germany have left both countries stumped as to the origins of the mysterious mass die-off amid ...

"Everything points to a manmade catastrophe," one environmental expert tells CBS News, as 100 tons of dead fish are removed from the Oder River.

Vast amounts of chemical waste were probably dumped into a river on the Polish-German border, Poland’s prime minister said Friday, killing tons of fish and creating an ecological disaster that ...

Germany said Friday that mass fish deaths in the Oder River were a "man-made environmental disaster," blaming toxic algae growth sparked by the introduction of salt into the waters. Presenting a ...

In the past weeks, the public has been shocked by images showing masses of dead fish floating in the Oder River, on the German-Polish border. Recent reports speak of 150 to 200 tons of fish killed.

Dietmar Woidke, the state governor of Brandenburg, which borders Poland along the Oder River, had criticized Polish authorities for what he said was a lack of information about the mass fish die-off.

Tonnes of dead fish have been hauled out of the River Oder, which flows along part of Poland's border with Germany, and officials warned people not to enter the water while the Polish government ...

What killed tons of fish in a European river? Germany and Poland worked Monday to solve the mystery behind the mass die-off in the Oder River.

Dead fish lie on the banks of the German-Polish border river Oder in Lebus, eastern Germanny, Saturday, Aug. 13, 2022. (Patrick Pleul/dpa via AP) ...

Dead fish lie on the banks of the German-Polish border river Oder in Lebus, eastern Germanny, Saturday, Aug. 13, 2022.

Tonnes of dead fish have been hauled out of the River Oder, which flows along part of Poland's border with Germany, and officials warned people not to enter the water while the Polish government ...