Vandals have targeted a number of vehicles in the area of Anagh Coar overnight on Thursday.
The damage consists of explicit images scratched into the paintwork with a sharp implement.
Police have asked to hear from anyone who may have information regarding the criminal damage.
They say they are particularly concerned about such anti-social behaviour which results in damage to other's property, and vow that the individuals will be dealt with robustly.
Anyone with information is asked to contact Police headquarters on 631212.
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