SYDNEY, Feb 11 - The secretary-general of the Commonwealth, a 56-nation group headed by Britain's King Charles, said on Wednesday she expected member nations to make progress towards beginning negotiations on reparations for the transatlantic slave trade.

The Commonwealth, which grew out of the British Empire, is one of the world’s largest international organisations, representing around 2.7 billion people. Its members include Australia, India, 21 African nations and Caribbean states such as Barbados and Jamaica.