This photo taken on Feb. 11, 2016 shows he Topo Chico prison where a fight between inmates broke, in Monterrey, in the state of Nuevo Leon, Mexico, Jaime Rodriguez Calderon, governor of Nuevo Leon, informed in a press conference that 52 people were killed and 12 injured after a fight between two rival fractions of inmates broke in the Topo Chico prison. (Xinhua)
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