Poland is looking into the ‘ecological tragedy’ of the fish deaths.

After a “ecological catastrophe,” in which 10 tonnes of dead fish were discovered in the Oder River, which forms part of Poland’s border with Germany, the country has sent in the military to clear up the mess. Due to unsubstantiated claims in German media, fishermen in the city of Zielona Gora, Western Poland, said on Friday that they were suspending fishing in the river. The cause of the fish kill