Police in Derry are urging parents to talk to their children about the dangers of drug use.
It follows the discovery of drug paraphernalia in the city at the weekend.
Police say a "bong" (pictured) was discovered in a sports bag in the Shantallow area at around 10.30pm on Saturday.
The discovery was made after a group of youths ran off as they were approached by police close to the Northside Village Centre.
A police spokesperson said: "As the Christmas holidays over and the kids are going back to school we will gladly return the bag to its rightful owner.
"However, if you recognise the bag and don't want it back due to the circumstances please have a chat with you son or daughter."
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