Mark Thatcher - son of former British prime minister Margaret Thatcher - appeared in a Cape Town court today to face questioning about a botched coup attempt in Equatorial Guinea.

South African justice officials plan to subpoena Margaret Thatcher's son Mark to answer questions from Equatorial Guinea about his alleged role in a botched coup attempt in the oil-rich west African nation.

South Africa is considering a request by Equatorial Guinea to question Mark Thatcher about his alleged involvement in a foiled coup plot in the oil-rich west African nation.