Winnie Madikizela-Mandela to undergo surgery: daughter

Johannesburg (AFP) - Nelson Mandela's ex-wife Winnie Madikizela-Mandela is to be admitted to hospital to undergo surgery, her daughter said on Monday.

"Wishing my mother a speedy recovery and good luck with the surgery. Love always", Zindzi Mandela said on her Twitter account. The treatment will help blood circulation in the 78-year-old's leg, according to a source close to the family.