The Nobel Peace Prize laureate spent 27 years in prison for fighting against oppression of blacks in South Africa . Nelson Mandela has successful surgery says , president 's office . The South African leader is recovering from a hip replacement operation in Pretoria, the presidential palace said on its website. Nobel Peace Prize laureate spent 27 years in prison .
Nelson Mandela has successful surgery says , president 's office . The South African leader is recovering from a hip replacement operation in Pretoria, the presidential palace said on its website. Nobel Peace Prize laureate spent 27 years in prison .