It's understood to have been an 'end of exams' beach party
Anti-social behaviour caused police to evacuate Happy Valley Beach in Onchan last night.
Ambulance and police are understood to have received calls regarding 'extreme intoxication' of some young people.
The beach was cleared to allow the 'over zealous partiers' to be seen by paramedics.
Officers appealed for parents to collect their children but warned their powers would be used if an offence was committed.
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