Brazilian sports minister Orlando Silva has resigned after being accused of corruption, which he denies.
Mr Silva is the fifth cabinet minister to leave office amid allegations of corruption since President Dilma Rousseff took office in January.
He has denied accusations that he helped arrange kickbacks from a fund to promote sport for poor children.
Mr Silva was in charge of preparing for the 2014 World Cup and 2016 Olympics.
The BBC reports allegations against Mr Silva were first published in the influential magazine Veja earlier this month.
The magazine accused him of helping embezzle $US23 million from a government scheme that promotes sport for children from poor backgrounds.
The money was allegedly used for personal enrichment and to fund the Communist Party, which is part of Ms Rousseff's governing coalition.
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