An injured demonstrator sits in a police van after he was arrested during a protest against the Confederation's Cup and the government of Brazil's President Dilma Rousseff in Brasilia June 17, 2013. Tens of thousands of demonstrators marched through the streets of Brazil's biggest cities on Monday in a growing protest that is tapping into widespread anger at poor public services, police violence and government corruption. Protesters are using the Confederation's Cup as a counterpoint to amplify their concerns. [Photo/Agencies]