. ▁As ▁the ▁workers ▁left ▁the ▁Church ▁of ▁San ▁Francisco ▁de ▁As ís , ▁in ▁the ▁working - class ▁neighbourhood ▁of ▁Z aram aga , ▁they ▁were ▁shot ▁by ▁the ▁police . ▁This ▁resulted ▁in ▁ 5 ▁dead ▁workers ▁and ▁ 1 5 0 ▁injured ▁with ▁gun shot ▁w ounds . ▁The ▁same ▁police ▁described ▁the ▁facts ▁as ▁a ▁mass acre . ▁These ▁facts ▁inspired ▁L lu ís ▁L lach ▁celebrated ▁song ▁Camp an ades ▁a ▁mort s . ▁ ▁Background ▁▁ ▁During ▁January ▁ 1 9 7 6 , ▁some ▁six ▁thousand ▁workers ▁initi ated ▁a ▁strike ▁against ▁the ▁dec ree ▁to ▁limit ▁w age ▁increases ▁and ▁in ▁defence ▁of ▁better ▁working ▁conditions . ▁Two ▁months ▁later ▁they ▁called ▁for ▁the ▁third ▁time ▁for ▁a ▁general ▁strike ▁that ▁was ▁mass ively ▁followed ▁on ▁ 3 ▁March . ▁This ▁same ▁day ▁the ▁armed ▁police ▁entered ▁the ▁Church ▁of ▁San ▁Francisco ▁in ▁V itor ia - G aste iz ▁where ▁the ▁workers ▁were ▁gather ing ▁and ▁asked ▁them ▁to ▁leave ▁despite ▁the ▁opposition ▁of ▁the ▁priest ▁and ▁the ▁agreement ▁signed ▁by ▁the ▁Catholic ▁Church ▁and ▁the ▁Spanish ▁Government ▁stating ▁that ▁the ▁police ▁were ▁not ▁to ▁enter ▁any ▁churches ▁by ▁force . ▁Just ▁a ▁few ▁seconds ▁later , ▁the ▁police ▁used ▁te ar ▁gas ▁inside ▁the ▁church , ▁which ▁was ▁crow ded . ▁As ▁suff oc ating ▁workers ▁tried ▁to ▁escape ▁they ▁were ▁be aten ▁up ▁and ▁shot ▁by ▁the ▁Spanish ▁police . ▁ ▁Pedro ▁María ▁Martínez ▁O cio , ▁ 2 7 , ▁Francisco