BRUMADINHO, BRAZIL - Luiz de Castro was installing lamps at a mining complex in Brazil late last month when a loud blast split the air. He figured it was just a truck tire popping, but a friend knew better "No, it's not that!" the friend said, "Run!" Dashing up a staircase, caked in mud and pelted by flying rocks, Mr. Castro clambered to safety. B1-CAU-Barragem However, as he watched, a wall of mud unleashed by the collapse of a mining dam swallowed his co-workers, he said. Tiago, George, Icaro - they and at least 154 others, all buried alive.
