Dozens of people gathered again on Sunday, in front of the Guayaquil prison, in search of information on their imprisoned relatives.
This weekend a riot between gangs of prisoners left at least 68 dead and several injured in the penitentiary of this port city and commercial hub in southwest Ecuador.
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The same prison had already been the scene on September 28 of one of the worst massacres of prisoners in Latin America with 119 prisoners killed.
Some prisoners had been dismembered, beheaded, or burned.
Guayaquil prison houses 8,500 inmates, with an overcrowding of 60%.
It is divided into twelve neighborhoods, where members of at least seven criminal organizations, often rivals, are held separately with links to the Mexican cartels of Sinaloa and Jalisco Nueva Generación.