Gauteng-The Democratic Alliance says it will open a criminal case over alleged failures at the Bronkhorstspruit Water Treatment Plant, following reports of up to 160 cases of diarrhoea. The party says the criminal case will seek an investigation into whether city officials failed to meet their legal obligations to warn residents about potentially unsafe drinking water. The cause of the reported illnesses has not yet been established. We speak to DA's Themba Fosi