A concession by Brazilian authorities isn't enough to end protests.
Seven weeks ahead of the World Cup in Brazil, no mass protests have broken out but unions are mobilizing the rank and file. But the government can't afford another police strike like the one in Salvador, Bahia.
There has been a sharp increase in violence against environmental activists around the world, according to a new report from Global Witness. Brazil and Cambodia are among the countries worst affected by the problem.
A planned bus fare increase in Rio de Janiero has led to clashes between police and protestors, who also complained about Brazil's World Cup spending. Seven people were hurt, including a cameraman.
Smashed shopfronts, burning buses, injured protesters and the death of a cameraman - an ugly escalation of violence threatens to relegate Brazil's protest movement to a position from which it is unlikely to recover.
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