Protests in Brazil demand President Rousseff’s impeachment

More than a million Brazilians have joined demonstrations against President Dilma Rousseff, with many asking for her impeachment.

The protesters say the president must have known about a corruption scandal in the state oil firm, Petrobras.

Protests have taken place across 22 Brazilian states and the federal capital, Brasilia.

The largest demonstration went ahead in Sao Paulo, a major opposition stronghold, attracting more than 500,000 people.

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