<span style="color: #222222;">Brazil's President  Luiz Inácio Lula da Silva has joined a growing chorus of accusations against the country's security forces, as questions mounted on how protesters were able to breach government buildings and wreak havoc inside over the weekend.<br />''<br />''Protesters supporting the former President Jair Bolsonaro besieged the Supreme Court, the presidential palace and Congress on Sunday, calling for the military to intervene and oust Lula da Silva, who returned to power after a 12-year hiatus following a slim run-off victory over Bolsonaro last October.<br />''<br />''On Monday morning, heavily armed officers started dismantling a camp of Mr. Bolsonaro's supporters in Brasília. Meanwhile, tens of thousands of people are now demonstrating in Brazil's largest city São Paulo in support of democratic values.</span><br />