Police are appealing for information following a number of anti-social behaviour and criminal damage incidents at buildings in the Academy Road area of Derry.
The incidents happened over the course of the last week.
Sometime between 5pm and 10pm on Wednesday 11 May, a flower pot was thrown through the window of a day centre and slates were taken off a roof.
On the same night a fence was damaged at a nursery and just before 9pm police attended the report of youths on the roof of a nursing home.
When police attended the youths, who were both male and female, made off on foot.
Then sometime between the evening of Wednesday 11 May and the morning of Thursday 12 May, sheeting was removed from the day centre.
Police are urging parents and guardians to make sure they know where there children are, what they are doing and to talk to them about the danger of getting caught up in this type of activity