Brazil impeachment: Rousseff appeals to Supreme Court

Brazil’s President Dilma Rousseff has asked the Supreme Court to block impeachment proceedings against her – in a final attempt to stop the process hours before a crucial Senate vote.Ms Rousseff’s lawyers alleged bias and irregularities. Similar attempts have been rejected by the court.
Ms Rousseff could be suspended for up to 180 days if the senators vote for a full trial on Wednesday.
Earlier, her supporters set up burning barricades and blocked roads.
The roadblocks caused widespread disruption across all Brazilian states.