Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Brazil Probe into Vale Dam Collapse to Conclude Within Days, Prosecutor says Reuters RIO DE JANEIRO - A criminal investigation into the fatal collapse of a dam owned by mining firm Vale SA should be concluded in the coming days, a Brazilian prosecutor said on Tuesday, with charges to follow. "State prosecutors are working with the state police, federal prosecutors and federal police, and we're of the conviction that we'll deliver a solution in the coming days,"Antônio Sérgio Tonet, the top prosecutor in the state of Minas Gerais, told journalists. "We're going to conclude our investigations and bring the guilty to justice," he said. .