A former Aberdeen school has been “extensively damaged”, according to police.
Officers are appealing for information after the old Kincorth Academy building on Kincorth Circle was vandalised.
They said “extensive damage” has been done to a number of windows and the alarm system was tampered with. It is understood the vandals struck in the last two weeks.
Sergeant John McOuat, who is leading the inquiry, said: “This is a disused building which no one should be entering.
“The person – or people – responsible for this are not only behaving in a completely unacceptable way but they are also putting themselves at serious risk of harm.
“Such behaviour is not smart nor is it clever and it certainly won’t be tolerated.
“To parents and guardians, I ask that you please keep an eye on where your children are going when they are not at school or at home.
“This report is being taken extremely seriously and our inquiries are ongoing, working in conjunction with the local authority.
“To those who live in the local area and have seen or heard any disturbances since the beginning of the month, please get in touch.
“Anyone with information is asked to contact Police on 101.”
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The Evening Express revealed yesterday almost 40 fire extinguishers had been found abandoned in a playpark after a break-in at the school.
Thirteen of the emergency devices were dumped at the skate-park in Kincorth Circle on Monday, followed by a further 25 yesterday.
Police are investigating the circumstances behind the abandoned devices and urged anyone with information to come forward.
Mum Martina Prout had come across the fire extinguishers at the skatepark on Kincorth Circle and had reported it to Aberdeen City Council.
The local authority is liaising with police over the break-in.