Porto Alegre — From top to bottom, rescuers have been scouring buildings in Porto Alegre for inhabitants stuck in apartments or on rooftops as unprecedented flooding turned the streets of the Brazilian metropolis into rivers. In the state capital's Sarandi neighborhood, firefighters first evacuated people who had found refuge on the roofs of apartment buildings, then went in for those on the higher floors inside. "Now, we are evacuating those on the second and third floors," Daniel Batista da... Read this story