▁and ▁bus es ) ▁were ▁gas ▁station ▁s ▁and ▁sho pping ▁( in ▁the ▁city ▁of ▁the ▁party ) ▁ro bb ed ▁and ▁many ▁f ights ▁were ▁organized , ▁especially ▁with ▁Ajax ▁and ▁the ▁police . ▁The ▁authorities ▁and ▁the ▁police ▁were , ▁however , ▁was ▁and ▁did ▁everything ▁to ▁th wart ▁the ▁group , ▁with ▁success : ▁the ▁group ▁dis integr ated . ▁ ▁Early ▁ 1 9 9 0 s ▁there ▁was ▁a ▁violent ▁new ▁group , ▁according ▁to ▁journalist ▁Paul ▁G ag eld onk ▁by ▁UEFA ▁were ▁considered ▁the ▁most ▁violent ▁core ▁of ▁Europe . ▁This ▁group ▁was ▁among ▁others ▁involved ▁in ▁the ▁' B attle ▁of ▁B ever w ijk ', ▁where ▁one ▁or ▁more ▁F ey eno ord ▁h ool ig ans ▁killed ▁F - side ▁boy ▁Carlo ▁Pic orn ie . ▁Several ▁other ▁people ▁were ▁seriously ▁injured . ▁Because ▁the ▁fight ▁was ▁so ▁heavy ▁the ▁ri ot ▁police ▁could ▁look ▁on ▁only . ▁According ▁to ▁some ▁it ▁was ▁a ▁mi racle ▁that ▁" just " ▁one ▁man ▁was ▁killed . ▁F ey eno ord ▁h ool ig ans ▁came ▁armed ▁with ▁b ats , ▁ch ains , ▁bott les , ▁Mol ot ov ▁C ock t ails , ▁and ▁t as ers , ▁many ▁of ▁which ▁were ▁seized ▁by ▁police ▁after ▁the ▁battle . ▁Ear lier , ▁in ▁ 1 9 9 1 ▁it ▁was ▁also ▁a ▁F ey eno ord ▁h ool igan ▁who ▁killed ▁FC ▁Tw ente ▁h ool igan ▁Erik ▁L ass che ,