Update: Darryl Maddox, 32, was arrested Wednesday and charged with possession of an assault firearm and possession of a large capacity ammunition magazine.

PISCATAWAY, N.J. (CBSNewYork) – Police in Piscataway, New Jersey are stepping up their presence around schools today.

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Authorities say a shooting threat surfaced on social media.

The video first appeared on Snapchat. It shows a person holding a gun with the words “maybe tomorrow.”

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The post was timestamped on Tuesday with the location “Piscataway.”

The Piscataway Township Police Department said it is “actively and aggressively investigating the origin of this message.”

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The superintendent of Piscataway schools told CBS2 the threat is not specific to their schools, but they remain on high alert.