Brazil building collapses traps 15 in Sao Paulo Brasil 'Brazil building collapse' 8/27/2013 || Brazil building collapses traps 15 in SAO PAULO — A commercial building in Brazil's biggest city has collapsed and officials say at least 15 people are trapped in the rubble.\n\nFirefighters say they've pulled three survivors from the collapse in Sao Paulo. It's not yet clear what caused the building to fall.\n\nAbout 60 firefighters were carefully searching the rubble