Northern Ont. police say suspected morphine found in a chip bag on Halloween  CTV NewsPolice across Canada warn parents after morphine, staples, needles found in candy  Global NewsOPP investigate after suspected morphine found in Halloween treat  CityNews OttawaHalloween candy alert, Police find possible morphine in treat  BayToday.caRegina police alert parents after needle-like metal found in Halloween candy  CTV News