The Bristol Borough Police Department in Bucks County, Pennsylvania, is urging parents to check their children’s Halloween candy after a child received tampered candy Saturday night. 

Police said a screw and a pin were found in candy that one child received on Halloween. 

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Bristol Borough Police Department

Authorities declined to say where the child was trick-or-treating Saturday night. 

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Bristol Borough Police Department

Police are actively investigating the tampered candy, but believe it’s an isolated incident.