Relatives of inmates argue with the riot police as they gather outside the Topo Chico prison in the northern city of Monterrey in Mexico where according to local media at least 30 people died in a prison riot on February 11, 2016. Riot police and ambulances were deployed at the Topo Chico prison as smoke billowed from the facility. Broadcaster Televisa reported that 30 died while Milenio television spoke of 50 victims, with inmates and prison guards among them. AFP PHOTO / JULIO CESAR AGUILAR / AFP / Julio Cesar Aguilar