Officials raided 31 resorts and nightclubs after reports of counterfeit liquor being served to customers.
Two bars were shut down, including a lobby bar where Abbey Connor, 20, of Wisconsin allegedly drank tainted alcohol and later drowned in a pool during a family vacation in January.
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Connor was found facedown in the pool at Iberostar Paraiso resort in Playa del Carmen. Her brother suffered a concussion. He said he doesn't remember what happened and there were reportedly no cameras.
The popular Fat Tuesday bar in Cancun has been temporarily shut down.