ero ▁was ▁a ▁milit ant ▁of ▁the ▁extreme ▁right ▁party ▁New ▁Force . ▁ ▁Mur der ▁ ▁On ▁ 9 ▁October ▁ 1 9 7 7 , ▁the ▁National ▁Day ▁of ▁the ▁Val enci an ▁Country ▁was ▁to ▁be ▁celebrated ▁leg ally ▁for ▁the ▁first ▁time . ▁In ▁the ▁run - up ▁to ▁ 9 ▁October , ▁various ▁political ▁parties ▁coordin ated ▁the ▁putting ▁up ▁of ▁post ers ▁in ▁A lic ante . ▁ ▁On ▁the ▁night ▁of ▁ 6 ▁October ▁ 1 9 7 7 , ▁four ▁members ▁of ▁a ▁group ▁organized ▁by ▁the ▁Commun ist ▁Mov ement ▁of ▁the ▁Val enci an ▁Country ▁were ▁in ▁the ▁Pla za ▁de ▁Los ▁Luc eros ▁putting ▁up ▁post ers ▁which ▁called ▁for ▁the ▁pre - Di ada ▁( the ▁day ▁before ▁ 9 ▁October ). ▁They ▁were ▁L l um ▁Qu i ñ on ero ▁( 2 4 ), ▁Mi quel ▁Gra u ▁( 2 2 ), ▁Juan ▁Áng el ▁Tor rer osa ▁( 1 9 ) ▁and ▁J avier ▁Ál vare z ▁( 1 4 ). ▁A ▁New ▁Force ▁milit ant , ▁Miguel ▁Áng el ▁Pan ad ero ▁Sand oval , ▁threw ▁a ▁brick ▁from ▁his ▁bal con y ▁which ▁hit ▁Gra u ▁on ▁the ▁head ▁and ▁left ▁him ▁in ▁a ▁com a . ▁With ▁the ▁help ▁of ▁a ▁passing ▁driver , ▁he ▁was ▁taken ▁to ▁the ▁Hospital ▁ 2 0 ▁de ▁Nov iembre , ▁where ▁he ▁was ▁admitted ; ▁ten ▁days ▁later , ▁on ▁ 1 6 ▁October , ▁Gra u ▁died