Public dissatisfaction reached a peak in September 1982, after the Sabra and Shatila Massacre. Hundreds of thousands gathered in Tel Aviv in what was one of the biggest public demonstrations in Israeli history. The Kahan Commission, appointed to investigate the events, issued its report on 9 February 1983, found the government indirectly responsible for the massacre but that Defense Minister Ariel Sharon "bears personal responsibility." The commission recommended that Sharon be removed from office and never serve in any future Israeli government. Initially, Sharon attempted to remain in office and Begin refused to fire him. But Sharon resigned as Defense Minister after the death of Emil Grunzweig, who was killed by a grenade tossed into a crowd of demonstrators leaving a Peace Now organized march, which also injured ten others, including the son of an Israeli cabinet minister. Sharon remained in the cabinet as a minister without portfolio. Public pressure on Begin to resign increased.