Brazil’s former President Luiz Inacio Lula da Silva waves to supporters in front of the metal workers union headquarters in Sao Bernardo do Campo, Brazil, Thursday, April 5, 2018. Da Silva has been given until the afternoon of Friday, April 6, to turn himself in to police in Curitiba and begin serving a sentence of 12 years and one month for a corruption conviction. (AP Photo/Nelson Antoine)