Police are appealing for witnesses after graffiti was painted onto the pavilion sports building within Thorntree Park in Middlesbrough.
The vandalism, which is painted in large white letters, occurred sometime between 9.30pm on Wednesday (June 24) and 7am on Thursday (June 25).
Officers are now investigating and would appeal to anyone who may have information regarding those responsible to get in touch with them.
Anyone with information is asked to contact Cleveland Police on the non-emergency number 101, quoting event number 102207.
Independent charity Crimestoppers can be contacted anonymously on 0800 555 111, or online at crimestoppers-uk.org.
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