PHILADELPHIA — Twenty first grade students were taken to the Children’s Hospital of Philadelphia Tuesday after police say a six-year-old student brought eleven packs of heroin into a classroom at Commodore John Barry Elementary School at 59th and Race Streets, reports CBS Philly.Police say they were called to the scene after a first-grade teacher saw one of her pupils playing with the packets.Two of the packets had been opened, investigators say, and one had been chewed open.H/T: Drudge Report