Brazilian ex-president (2003-2011) Luiz Inacio Lula da Silva gestures after attending a Catholic Mass in memory of his late wife Marisa Leticia, at the metalworkers' union building in Sao Bernardo do Campo, in metropolitan Sao Paulo, Brazil, on April 7, 2018. Brazil's election frontrunner and controversial leftist icon said Saturday that he will comply with an arrest warrant to start a 12-year sentence for corruption. "I will comply with their warrant," he told a crowd of supporters. / AFP PHOTO / Miguel SCHINCARIOL