1 9 5 0 s ▁dist urban ces ▁A ▁general ▁strike ▁was ▁called ▁by ▁the ▁people ▁of ▁Bah rain ▁in ▁March ▁ 1 9 5 6 ▁to ▁remove ▁Bel gra ve ▁as ▁ad visor ▁and ▁force ▁him ▁to ▁leave ▁the ▁country . ▁ ▁During ▁the ▁strike , ▁which ▁was ▁estimated ▁to ▁have ▁included ▁ 3 0 , 0 0 0 ▁people , ▁ 9 , 0 0 0 ▁of ▁them ▁oil ▁workers , ▁at ▁least ▁ 1 1 ▁people ▁were ▁reported ▁killed ▁in ▁ri ots ▁on ▁ 1 1 ▁March , ▁after ▁an ▁argument ▁broke ▁out ▁at ▁a ▁veget able ▁market . ▁ ▁The ▁ri ots ▁started ▁at ▁the ▁Bah rain ' s ▁oil ▁ref in ery . ▁ ▁A ▁few ▁days ▁before ▁the ▁ri ots ▁broke ▁out ▁the ▁car ▁of ▁Sel w yn ▁Lloyd , ▁the ▁British ▁foreign ▁secretary , ▁was ▁attacked ▁with ▁rocks , ▁with ▁the ▁attack ers ▁shout ing ▁" Down ▁with ▁Bel gra ve !" ▁ ▁British ▁national s ▁were ▁forced ▁to ▁stay ▁ind o ors ▁for ▁safety . ▁ ▁As ▁a ▁result , ▁Bel gra ve ' s ▁powers ▁were ▁reduced ▁significantly , ▁although ▁Sh a ikh ▁Sal man ▁refused ▁to ▁remove ▁him ▁totally . ▁ ▁Sh a ikh ▁Sal man ▁also ▁allowed ▁the ▁establishment ▁of ▁the ▁first ▁legal ▁political ▁party , ▁the ▁National ▁Union ▁Committee ▁( NU C ; ▁a ka ▁" Com mit te e ▁for ▁National ▁Unity ") ▁a ▁step ▁toward ▁dem ocr atic ▁elections . ▁ ▁The ▁total ▁killed ▁was ▁later ▁reduced ▁to ▁