A push pin was located in a treat given out in Kitchener on Halloween, according to Waterloo Regional Police.
They say the push pin, which was found inside a chocolate bar, was discovered Thursday by a caregiver at a home on Rittenhouse Road.
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The wrapper had been open and taped shut again, with the chocolate bar having been stuck with a pin with a blue knob on it, according to a release from police.
Police say the bar had been given out by someone on either Rittenhouse Road or Erinbrook Drive.
They are reminding all parents and guardians to inspect all Halloween treats before they are eaten. Anything that looks like it has been tampered with should be tossed in the garbage.