Dramatic new video has been released showing the moment a dam burst in southeastern Brazil.
A week later, at least 115 people have been killed and hundreds are still missing and the wave of mud is making its way toward a major river.
Amid grief and recriminations, many worry about the future, with area dependent on a mine now swallowed by the mud.
Al Jazeera's Victoria Gatenby reports.Source: aljazeera.com