TOPSHOT - Karina Castilo (L), shows the cutaneous lesions of her 10-year-old daughter, Catalina Ugalde, allegedly caused by a chemical intoxication, after at least 15 children in her school presented the same lesions, in Quintero, Valparaiso, Chile on September 7, 2018. - Chile's Environment Superintendent announced on September 5 that it will take legal action against the state refinery Enap, which it blames for having responsibility in an environmental crisis that affected the central Valparaiso region on August 21. More than 200 people turned up at health centres with nausea, bronchopulmonary problems, eye irritation and other symptoms in areas of Valparaiso Region, where many industries, have facilities. (Photo by Martin BERNETTI / AFP)