Drug bags were discovered by Cambridgeshire Police officers on patrol in Wisbech.
Over the weekend, officers were out in Wisbech tackling anti-social behaviour. On August 3, the force were in the children's park when they found small bags littered on the floor.
There were remnants of drugs found in the bags. The officers disposed of the bags as children had been playing nearby in the playground and on the grass.
A spokesperson for the force said: "Littering is a form of anti-social behaviour and can make the area unpleasant, making people not want to use it as it is intended.
"If you notice items such as these, please contact the council or let us know if you see us out and about.
"Do not try to remove these items yourself in case there are things that could bring harm to you hidden."
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