Another Suspicious Substance Mailed To Upper West Side Preschool

NEW YORK (CBSNewYork) -- The NYPD is investigating another suspicious substance that was mailed to a New York City preschool.

CBS2 has been told white powder was found Friday in a letter addressed to the River Park Nursery School on Amsterdam Avenue on the Upper West Side.

The school also received a letter with white powder on Tuesday.

The NYPD says a total of five schools have been targeted over the past eight days. They say envelopes sent to the schools have all contained a powder determined to be non-hazardous.

Investigators say it appears the motive is to cause disruption and alarm.

So far, no arrests have been made.

In:
• Upper West Side
• Suspicious Package
• Manhattan
• New York