Brazil institute: Potential health crisis from dam breach

  • Fernando Nunes watches a helicopter carry a body away from the mud after a Vale dam collapse in Brumadinho, Brazil, Wednesday, Jan. 30, 2019, while his brother Peterson, a Vale employee, remains missing. Two days after this photo was taken, his brother’s body was found, recovered and identified by their mother. (AP Photo/Leo Correa)

  • In this Jan. 28, 2019 file photo, a helicopter carrying a body pulled from the mud, days after a Vale dam collapsed, flies over a cemetery with two open graves in Brumadinho, Brazil. Lax regulations, chronic short staffing and a law that muffled the voices of environmentalists on mining licenses made the collapse all but destined to happen, experts and legislators say. (AP Photo/Leo Correa, File)

RIO DE JANEIRO — Brazil’s leading research institute warned Tuesday of a potential health crisis from the failure of a dam in Minas Gerais state, which unleased a flood of muddy mining waste that killed at least 134 people.