As StockBoardAsset.com notes, this rare signal often preludes the potential for civil conflict.
In the past 10-years, the early warning has been issued in Burundi, Iraq, Ivory Coast, Kyrgyzstan and Nigeria.
The United Nations Committee on the Eliminations of Racial Discrimination has called on high-level politicians and public officials of the United States to condemn "racist hate speech and crimes in Charlottesville and through the country".
Anastasia Crickley, Chairperson of UN Committee on the Elimination of Racial Discrimination (CERD) said:
We are alarmed by the racist demonstrations, with overtly racist slogans, chants and salutes by white nationalists, neo-Nazis, and the Ku Klux Klan, promoting white supremacy and inciting racial discrimination and hatred