A clash took place outside the Turkish embassy in Tokyo in October 2015 between Kurds and Turks in Japan which began after a Kurdish party flag was shown at the embassy. The Burakumin group within Japan is ethnically Japanese; however, they are considered of lower status and lower class standing in comparison to other ethnicities in Japan. They worked as primarily farmers and were considered peasants on the social hierarchy pyramid. Post-World War, the Burakumin group was heavily dissociated from society as the abolishment of the feudal caste system did not put an end to the social discrimination that they faced within restricting housing systems; movements and protests have been maintained throughout the years as they fight to receive and equal status as their peers in regard to access to certain educational, housing, and social benefits and citizenship rights. In order to gain attention to the problems and injustices that they experience, groups such as the militant style, Buraka Liberation League, which uses presentations and speaking to prove and explain their frustrations to a panel. Representation of black people in Japanese media, such as anime, has been subject to criticism. Racism and ethnic discrimination in Japan by field Higher learning Although foreign professors teach throughout the Japanese higher education system, Robert J. Geller of University of Tokyo reported, in 1992, that it was extremely rare for them to be given tenure. Non-Japanese citizens and crimes As in other countries, foreigners sometimes do work that is not allowed by their visas, or overstay the terms of their visas. Their employment tends to be concentrated in fields where most Japanese are not able to or no longer wish to work. The Yakuza or Japanese organized crime has made use of Chinese immigrants in Japan as henchmen to commit crimes, which have led to a negative public perception. In 2003, foreigners from Africa were responsible for 2.8 times as much crime per capita as Japanese natives but were slightly less likely to commit violent crime. According to National Police Authority records, in 2002, 16,212 foreigners were caught committing 34,746 crimes, over half of which turned out to be visa violations (residing/working in Japan without a valid visa). The statistics show that 12,667 cases (36.5%) and 6,487 individuals (40.0%) were Chinese, 5,272 cases (15.72%) and 1,186 individuals (7.3%) were Brazilian, and 2,815 cases (8.1%) and 1,738 individuals (10.7%) were Korean. The total number of