this. Collapse Sebe was overthrown by a military coup led by Brigadier General Oupa Gqozo on 4 March 1990 while on state visit to Hong Kong and charged with corruption and human rights violations. Sources Polakow-Suransky, S. (2010) The Unspoken Alliance: Israel's Secret Relationship with Apartheid South Africa, Pantheon Books: New York. . References 1926 births 1994 deaths South African educators Heads of state of Ciskei Presidents for life Leaders ousted by a coup People from Buffalo City Metropolitan Municipality Heads of government who were later imprisoned