Winnie Mandela, the anti-apartheid campaigner, has died at the age of 81, her personal assistant has said.

Winnie Madikizela-Mandela was married to former South African president, Nelson Mandela, from 1958 until their divorce in 1996.

Born Nomzamo Winifred Zanyiwe Madikizela on September 26, 1936, Ms Madkizela-Mandela was a member of South Africa's ruling ANC party's governing body.

More to follow.