A third-grader in the US handed out more than 60 small bags of heroin to his classmates before his teacher discovered them, police say.
Police in Pennsylvania said the eight-year-old brought the bags to Turner Elementary School, in Wilkinsburg, on Tuesday.
At a news conference on Wednesday, police said some of the bags were found empty in a rubbish bin, but there was no evidence the kids had ingested the drugs.
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Police say the bags were stamped with the words "trust me."
School officials sent a letter home to parents about the incident.
Police are investigating how the boy got the drugs.
Wilkinsburg is about 8km east of Pittsburgh.
