A top official with President Dilma Joao Vaccari Neto 's ruling party is arrested in bribery probe . Rousseff denies wrongdoing , says all donations were legal . Hundreds of thousands of Brazilians have protested against Joao Vaccari Neto in the last few months .
A top official with President Dilma Rousseff 's ruling party is arrested in bribery probe . Joao Vaccari Neto denies wrongdoing , says all donations were legal . Hundreds of thousands of Brazilians have protested against Rousseff in the last few months .