Police are investigating five separate incidents involving criminal damage within the TT Grandstand complex.
All the offences were committed between five o'clock yesterday (Wednesday) evening and nine o'clock this morning, and officers investigating the crimes are asking anybody with information to get in touch.
A media release says there could be no possible gain to those responsible for the the damage, while the Island's taxpayers will have to pay for repairs in the government owned facility.
Anybody who can help the police is asked to ring 631212, or the anonymous Crimestoppers number, on 0800-555111.
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