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Five people suffered injuries including broken bones after a series of disturbances.
Police are wanting more information after the incidents in Dartford on Friday, July 27.
All the alleged attacks happened between 2.45am and 3.45am on Kent Road, Essex Road and Hythe Street.
It is reported to have involved a group of men and at least five people were treated for injuries including a broken hand, broken ribs and a broken elbow.
Anyone with information is asked to contact Kent Police on 01474 366149 quoting XY/046643/18.
Alternatively, contact the independent charity Crimestoppers in Kent anonymously on 0800 555 111.