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Teachers' march in Brazil

A demonstrator from the group called Black Bloc runs outside the Municipal Assembly during a protest supporting a teachers' strike in Rio de Janeiro October 7, 2013. (REUTERS/Ricardo Moraes)

Teachers march in Brazil turns violent

Thousands marched in Rio de Janeiro to support teachers seeking pay hikes before masked anarchists turned to violence, setting fires, breaking into buildings and smashing a City Hall gate. (AFP)