(By Sean Walton) Some 60 teens caused some $7,000 in damage and losses as a flash mob took over a Pa. Walgreens and a cashier was hit over the head in the process, police say.

It happened around 10 p.m. on July 4 in Philadelphia, but police just released the store surveillance video from the South Street Walgreens pharmacy in hopes of identifying and arresting some of the accused looters.

Police said the employees suffered injuries, including a cashier who attempted to intervene and was hit on a head with a glass bottle.

The teens also knocked items from shelves, and then stole merchandise.

The teens also were caught on external video surveillance stopping traffic and running along the street in the area around the store..

Police are asking for tips in the case. Anyone with information is asked to call 215-686-3013/3014, ext. 741.

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