vent ions ▁in ▁labour ▁disput es ▁between ▁Chinese ▁labour ▁gang s ▁and ▁their ▁b oss es . ▁▁▁▁ ▁On ▁ 2 9 ▁November ▁ 1 8 8 7 , ▁following ▁fr iction ▁between ▁the ▁G he e ▁Hin ▁and ▁H ai ▁San ▁secret ▁soci eties , ▁a ▁bro th el ▁sk irm ish ▁in ▁Pap an ▁es cal ated ▁into ▁a ▁violent ▁cl ash ▁which ▁became ▁known ▁as ▁the ▁" P apan ▁Ri ots ", ▁the ▁most ▁serious ▁Chinese ▁secret ▁society ▁cl ash ▁ever ▁to ▁take ▁place ▁in ▁the ▁K inta ▁district . ▁The ▁ri ots ▁were ▁quel led ▁by ▁Walker ▁and ▁the ▁Per ak ▁S ik hs ▁but ▁fla red ▁up ▁again ▁in ▁September ▁ 1 8 8 9 . ▁In ▁" a ▁show ▁of ▁force ", ▁Walker ▁and ▁the ▁Per ak ▁S ik hs , ▁respond ing ▁to ▁reports ▁received ▁from ▁the ▁acting ▁magistr ate , ▁visited ▁the ▁min ing ▁areas ▁at ▁K inta , ▁inspect ing ▁the ▁k ongs is ▁in ▁which ▁the ▁secret ▁society ▁members ▁lived . ▁The ▁appearance ▁of ▁the ▁fe ared ▁" M ung k ali ▁K w ai " ▁( S ikh ▁Dev ils ) ▁helped ▁prevent ▁any ▁" unt ow ard ▁inc idents ". ▁ ▁Walker ' s ▁efforts ▁to ▁qu ell ▁the ▁ri ots ▁were ▁pra ised ▁by ▁the ▁Governor :[ He ] ▁has ▁done ▁himself ▁great ▁credit , ▁often ▁working ▁from ▁day break ▁to ▁mid night ▁– ▁and ▁he ▁has ▁settled ▁some ▁very ▁difficult ▁disput es ▁between ▁Chinese ▁Tow k ays ▁and ▁mob