From The Art and Popular Culture Encyclopedia
Ethnic hatred, inter-ethnic hatred, racial hatred, or ethnic tension refers to feelings and acts of prejudice and hostility towards an ethnic group in various degrees. See list of anti-ethnic and anti-national terms for specific cases.
There are multiple origins for ethnic hatred and the resulting ethnic conflicts. In some societies it is rooted in tribalism, while in others it originates from a history of non-peaceful co-existence and the resulting actual disputed issues.
Ethnic hatred has often been exploited and even fueled by some political leaders to serve their agenda of seeking to consolidate the nation or gain electorate by calling for a united struggle against a common enemy (real or imaginary).