The most well-known bandit previously in Hong Kong called Yuen Ha Gau, he had a castle in Silvermine Cave of Lantau Island, which was still guarded by rifleman in 1960's, really kick ass.
Yuan Shao led the charge in pursuit of the enemy; he had not gone more than five li, when all one could hear was a roar of shouting voices from behind a hill. A group of men and horses came out of nowhere, with three generals in the lead. It was none other than Liu Xuande, Guan Yunchang and Zhang Yide.