Quincy, Massachusetts, police are investigating after video surfaced on social media of a fight that broke out on the pier at Marina Bay on Tuesday evening.
The video shows a large group of youths fighting with one other teen.
Police responded to a report of a disorder around 5:09 p.m. State police also assisted due to the location of the incident.
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By the time the officers arrived on scene, the incident was over.
There was no word on any injuries.
Anyone with information is asked to contact police.