European Commission Vice-President Vera Jourova has said that those responsible for the ecological disaster in the River Odra will have to pay.
Andrzej Duda, the Polish president, has said the environmental disaster on the River Odra which killed thousands of fish was probably the result of both an act of nature and human activity.
The Polish prime minister has said the environmental disaster on the River Odra that resulted in the death of thousands of fish was an act of nature.
More than 200 tonnes of dead fish have been removed from Poland's second longest river since the River Odra's pollution issue first came to light in late July.
A total of 134 tonnes of dead fish, recovered from the River Odra, have already been disposed of, the Zachodniopomorskie provincial governor has said.
Through the use of satellite images, German scientists have confirmed a massive algal bloom in the River Odra, in which an unknown pollutant has led to mass deaths of fish, the RND website reported on Monday.
Tests on dead fish from the River Odra show no signs of increased levels of dangerous chemicals, the head of the state veterinary institute has told PAP.
The Polish climate minister has denied reports on the alleged high concentration of pesticides and herbicides in the River Odra, which spread in Germany, and has described them as "an unjustified attack against Polish agriculture."
Inspections have not found any evidence of toxic waste discharges into the River Odra where masses of dead fish have been found, the climate and environment minister has said.
Donald Tusk, leader of Poland’s main opposition party and a former prime minister, has accused the government of having something “to hide” over the River Odra pollution disaster.