It's believed from 50 to 75 teenagers had congregated on Bayshore Beach.
An 18 year old man was arrested for violating the terms of his probation not to drink and he also resisted arrest.
Meantime, three people were sent to hospital after two separate crashes in the city. The first one happening on Sandy Point Road when a car went into a ditch and then, a short time later, two vehicles collided into one another on Lansdowne Avenue.
