José Luiz Datena slammed a chair into opponent Pablo Marçal at the São Paulo mayoral debate. Marçal’s aides said he was diagnosed with a fractured rib.

São Paulo mayoral candidate José Luiz Datena says he attacked his rival – who required hospital treatment – because he had brought up old sexual harassment allegations that were dismissed several years ago.

A televised debate among election rivals for mayor of Sao Paulo, Brazil's biggest city, descended into chaos when one struggling candidate whacked another with a chair and was expelled. During Sunday's debate among six hopefuls,