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 Around 200 people showed up at a Philadelphia mall on Tuesday in a disturbance planned on the social media network Snapchat that led to four arrests, ABC affiliate WPVI reported.
Police say they were called with a report of an extremely large crowd of juveniles causing a disturbance at around 6:45 p.m. at the Philadelphia Mills Mall.
Several dozen people made their way inside to the food court, where things began to escalate, according to police.
"They went to the food court area and that's when they started running around, yelling and screaming and acting disorderly," Philadelphia Police Chief Inspector Scott Small said.
"They were pelting cops with fountain sodas and all kinds of trash," Anthony Clark, a vendor inside the mall, told WPVI.