BRUSSELS (Reuters) -Dutch public prosecutors on Wednesday said they had launched a criminal investigation into the Dutch arm of Tata Steel and another company for alleged “intentional and unlawful” pollution of surface water. In a statement, they said they had informed Tata and Harsco Metals Holland BV of the investigation following a number of complaints. Prosecutors said they had informed the companies they had started the probe for alleged “intentionally and illegally introducing hazardous materials into the ground, air or surface water, with danger to public health as a possible result.” T…