The death toll from the collapse of a dam in southeastern Brazil has risen to 40... as rescuers struggle with rain and deep mud.<br />The local fire department Saturday afternoon, local time, estimated there were still around 300 other people still missing.<br />The dam at an iron mine gave way without warning on Friday, covering the city of Brumadinho with mud and mining debris.<br />President Jair Bolsonaro has called it a tragedy, and other officials have vowed to punish those responsible.<br />The government has blocked more than a billion and a half U.S. dollars belonging to Vale , the company that runs the mine, to pay for rescue operations and support for the victims.<br />Back in 2015, the collapse of another dam, run in part by the same company, caused Brazil's worst-ever environmental disaster. <br />
