High Quality Content by WIKIPEDIA articles! The Haycraft Commission of Inquiry was set up to investigate the Jaffa riots of 1921, but its remit was widened and its report entitled "Palestine: Disturbances in May 1921". The report blamed the Arabs for the violence, but identified a series of grievances concerning the way their interests were apparently being subsumed to the interests of the Jewish immigrants, who were then around 10% of the population and increasing rapidly. Some measures to ease Arab unhappiness were taken, but Jewish communities were helped to arm themselves and ultimately the report was ignored. Publishing it (unlike the Palin Report of the previous year) was considered a propitiatory measure.