Fresh rains pound Brazil's flood-hit south as evacuations double

Residents of the state of Rio Grande do Sul were bracing for a weekend of heavy rainfall, hitting just as waters that turned city streets into rivers had begun to subside. The deluge -- which experts link to climate change exacerbated by the El Nino weather phenomenon -- has affected almost two million people, leaving 116 dead and 756 injured. Another 143 people are still missing, according to authorities. The state capital Porto Alegre, home to 1.4 million inhabitants, tried to resume some normalcy on Friday...