5 0 s . ▁The ▁car n ival ▁has ▁attract ed ▁up ▁to ▁ 1 . 5 mill ion ▁people ▁in ▁the ▁past , ▁putting ▁it ▁among ▁the ▁largest ▁street ▁festiv als ▁in ▁Europe . ▁ ▁It ▁attract ed ▁press ▁attention ▁in ▁ 1 9 7 6 ▁for ▁cl ash es ▁with ▁the ▁police , ▁which ▁occurred ▁in ▁ 1 9 7 6 ▁at ▁the ▁conclusion ▁of ▁the ▁Not ting ▁Hill ▁Car n ival ▁after ▁police ▁arrested ▁a ▁pick po cket ▁and ▁a ▁group ▁of ▁black ▁youth s ▁came ▁to ▁his ▁defence . ▁The ▁disturb ance ▁es cal ated ▁and ▁more ▁than ▁ 1 0 0 ▁police ▁officers ▁were ▁injured . ▁Two ▁notable ▁participants ▁in ▁this ▁ri ot ▁were ▁Joe ▁Str um mer ▁and ▁Paul ▁Simon on , ▁who ▁later ▁formed ▁the ▁sem inal ▁London ▁punk ▁band ▁The ▁Cl ash . ▁Their ▁song ▁" White ▁Ri ot " ▁was ▁inspired ▁by ▁their ▁participation ▁in ▁this ▁event . ▁Further ▁inc idents ▁continued ▁for ▁a ▁few ▁years , ▁but ▁re ced ed ▁for ▁several ▁dec ades , ▁until ▁ 2 0 0 8 ▁when ▁approximately ▁ 5 0 0 ▁youth s ▁cl ashed ▁with ▁police ▁on ▁the ▁Monday . ▁ ▁As ▁the ▁event ▁grew , ▁concerns ▁about ▁the ▁size ▁of ▁the ▁event ▁prompt ed ▁Ken ▁Living stone ▁to ▁set ▁up ▁a ▁Car n ival ▁Review ▁Group ▁to ▁look ▁into ▁" form ulating ▁gu idel ines ▁to ▁saf egu ard ▁the ▁future ▁of ▁the ▁Car n ival ". ▁An ▁inter im ▁report ▁by ▁the ▁review ▁resulted