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Today in History: Arson Attack Kills 52 at Monterrey Casino

8/25/2026

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Summary

Story summary

On August 25 2011, Los Zetas gunmen set fire to a casino in Monterrey, Nuevo León, killing 52 patrons. The arson formed part of the broader Mexican drug war, in which the government’s 2006 military intervention aimed to dismantle cartels and curb drug-related violence nationwide.

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Story summary

On August 25 2011, Los Zetas gunmen set fire to a casino in Monterrey, Nuevo León, killing 52 patrons. The arson formed part of the broader Mexican drug war, in which the government’s 2006 military intervention aimed to dismantle cartels and curb drug-related violence nationwide.