Policemen pass by a burnt bus  in Campinas, Brazil, on Monday. People torched buses and attacked cars in protest against the killing  of 12 people in a surge of violence that began with the murder of an off-duty policeman. Photograph: Denny Cesare/AFP/Getty Images

Residents of one of Brazil’s wealthiest cities have accused police officers of being responsible for a wave of killings that left 12 people dead in th(...)

A riot policeman fires his weapon while confronting stone-throwing demonstrators during an anti-government protest in Belem, at the mouth of the Amazon river, in Brazil last night. Photograph: Ney Macondes/Reuters

Brazil awoke today to city centres still smouldering after a night that shocked the nation: one million protesters had taken to the streets in scores(...)