Critics call new appointment for former president ploy to avoid prosecution
Unrest continues in Brazil. Police fired tear gas at protesters outside Congress. Anger is mounting after former president Lula was sworn in as chief of staff.
Critics say the move is designed to protect the 70-year-old from prosecutors who charge him with money laundering and fraud. Hundreds of opposition demonstrators clashed with Lula's leftist supporters outside the presidential palace.
Inside, Congress began proceedings to impeach president Dilma Rous seff. A probe into corruption has tainted her inner circle. Rousseff and Lula both deny any wrongdoing.