The trouble apparently began across the street from the shopping center, and grew as word spread on social media.
"I just heard that anybody that had beef with each other is supposed to come over here and fight," said Frank Francis, a witness to the fight.
"People was getting hit by [traffic] cones," Francis said. "Like fighting, like a brawl."
Police speculated the fight had something to do with a previous disagreement between two girls and the Trayvon Martin murder case.
The partial lockdown was put into effect when police tried to disperse the fight in the parking lot and some of the teens fled into the mall.
One 16-year-old boy suffered a minor injury but police said it was not life-threatening and no weapons appeared to have been used in the fight.
Investigators said they don't plan to file criminal charges.
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