#Brazil #Flooding #BBCNews<br />A hydroelectric dam has collapsed in southern Brazil after days of heavy rain that triggered massive flooding, killing more than 30 people.<br /> <br />Another 60 people are missing in Rio Grande do Sul state, officials said.<br /> <br />About 15,000 residents have fled their homes since Saturday. At least 500,000 people are without power and clean water across the state.<br /> <br />The extreme weather has been caused by a rare combination of hotter than average temperatures, high humidity and strong winds.
