JOHANNESBURG - Nosekeni Rabia Mandela is calling for the immediate release of activists held by Israeli Forces.
It comes as activists aboard the Global Sumud Flotilla have been detained.
READ: Gaza Aid Flotilla | Nelson Mandela Foundation calls for activists' release
Nelson Mandela's grandson Zwelivelile Mandla Mandela was part of the mission to get aid to Gaza.
The South African government is demanding their immediate release.