Cops were not intentionally poisoned at Manhattan Shake Shack, NYPD announces

NEW YORK CITY (WPIX) -- Shake Shack employees have been cleared of any criminality after several police officers were sickened by drinks from a Lower Manhattan location Monday night, according to the NYPD.

"After a thorough investigation by the NYPD's Manhattan South investigators, it has been determined that there was no criminality by Shake Shack's employees," NYPD Chief of Detectives Rodney Harrison tweeted just after 4 a.m. Tuesday.

The full investigation came after three Bronx officers, assigned to a protest detail in Lower Manhattan, became ill after drinking beverages from the restaurant, police said. Pat Lynch, president the Police Benevolent Association, a union for NYPD officers, said the cops were hospitalized but were expected to be okay.

The Detectives' Endowment Association initially claimed Monday night that the officers were "intentionally poisoned" by Shake Shack workers. The tweet, pictured below, was later deleted.

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• Cops sickened by drinks at Manhattan Shake Shack not intentionally poisoned: NYPD - WPIX

• Police: No wrongdoing by Shake Shack employees after officers sickened by drinks - WHAM