(ANSA) - ROME, NOV 16 - Judges must crack down on students and anarchists who attacked police during an anti-government and pro-Palestinian march in Turin on Friday using a home-made bomb whose fumes choked 15 police and raising three fingers in the symbol of the Walter P38 pistol that marked Italy's Year of Lead terrorism and the huge student protests of 1977, Justice Minister Carlo Nordio said Saturday. (ANSA).