Hana river contaminated by pollutant

An as yet unspecified pollutant contaminated a 20 kilometre stretch of the Hana river near the town of Nezamyslice in the early hours of Tuesday doing considerable damage to local water species. Dozens of fish are reported to have been killed despite the fact that fire brigades from three regions fought to contain the pollutant. Experts have taken samples of the dead fish to try and ascertain what killed them and who may have been responsible.