br pAt least one person dieda after a fire ripped through two buildings in Sao Paulo, on Tuesday, May 1, causing part of one building to collapse.ppFirefighters cordoned off the area around the blaze in Largo do Paissandu.ppOne of the buildings was a former federal police facility that has since been inhabited intermittently, according to Brazilian newspaper Folha de S.Pauloa. Locals told the newspaper they had seen people standing on top of the burning building.ppGlobo.com reporteda at least one person died as firefighters launched a rescue attempt. Sao Paulo Estadao reporteda at least two people were missing after the fire.ppThis video, captured by the São Paulo Ambulance service, shows ambulance crews working at the scene.