Image provided by Roraima em Tempo newspaper shows police arriving to the Agricultural Penitentiary of Monte Cristo in Boa Vista, Roraima state, Brazil, on Jan. 6, 2017. At least 33 prisoners were killed in a massacre at the Agricultural Penitentiary of Monte Cristo, the biggest one in Roraima state, northern Brazil, reported on Friday morning the Justice and Citizenship Ministry of the state government. (Xinhua/Fábio Calilo/Roraima em Tempo)
