Former Brazilian President Luiz Inacio Lula da Silva is in police custody on charges of corruption, becoming Brazil's first current or former leader to be incarcerated.<br /> He gave himself up to police on Saturday after days of intense protests from his supporters. <br />Lula da Silva has denied charges of money laundering and bribery and said he was being targeted by his enemies to stop him running for the presidential election in October.<br />The former president currently leads opinion polls, but since his conviction will likely bar him from running, October's election has now been thrown wide open.<br />More unrest is expected for the next few weeks, with more protests demanding his release and a pending court decision that may see its ruling against da Silva reversed. <br />