Israeli extremists executed violent action early Wednesday in the city of Jerusalem, the Israeli radio reported."Tens of Israeli hardliners took part in aggression that concentrated in western Jerusalem," the radio added. Those saboteurs heavily stoned a passing car and tried to put afire another vehicle in the neighborhood, where they also set several dumpsters alight. Two Palestinians citizens sustained serious injures as a result of attacks by the extremists who stopped their cars and asked for their identification. According to the radio, police arrested a number of persons, suspected to have participated in the aggressive and sabotage acts. Similar assaults took place, three days ago, by Jewish militants who attacked and injured seven Palestinians. The action preceded location of a Palestinian corpse. The victim had been brutally killed.