Another Manhattan school received a suspicious envelope filled with a white powder, the NYPD announced Friday night.
Starting March 10, six schools in Manhattan have received similar-looking white envelope containing a white powder, and after testing the substance was found to be non-hazardous, according to police.
All the envelopes have had a U.S. flag stamp and a handwritten address in block letters — one of which police released a photo of on Friday.
Police have not made clear which schools were targeted, and no information on any potential suspects has been released.
The NYPD provided materials to help identify suspicious packages.
“Leave the mail or package where it was found. Do not disturb. Do not try to clean the substance,” the department wrote. “Immediately call 911.”
“Cordon off the immediate area,” the guidelines said. “Isolate exposed persons to a designated area away from the substance and await further instructions.”
Anyone with information is encouraged to call the NYC Terrorism Hot-Line: 888-NYC-SAFE. Anyone receiving a suspicious should call 911.
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