FOUR men with alleged links to outlaw motorcycle gangs were arrested last week after a brawl at a Penrith shopping centre. Police officers from the gangs squad and Penrith local area command had been investigating the brawl, which forced shoppers to flee for their safety about 2.45pm last Monday. Police will allege a man was leaving the shopping centre when he was confronted by a group of nine men and fighting began. A number of people tried to intervene, including an unknown male who was assaulted. All involved in the brawl then left the scene. At 7am last Thursday, police simultaneously raided four homes at St Marys, Emu Plains, South Windsor and Freemans Reach. Three men with alleged links to the Rebels were arrested at St Marys and Emu Plains, while an alleged senior Nomads member was arrested at Freemans Reach. During the search warrants, police seized distinctive gang clothing, quantities of anabolic steroids and prescription drugs and a set of knuckledusters. A man, 29, of Emu Plains, was charged with affray, participate in a criminal group and two counts of possess prescribed restricted substance. A man, 44, of Freemans Reach, was charged with affray, possess prohibited weapon, and two counts of possess prescribed restricted substance. A man, 25, of St Marys, and a 23-year-old New Zealand man were each charged with affray and participate in a criminal group. Penrith crime manager Detective Inspector Grant Healey said further arrests were anticipated.