South Africa's former police Chief, Jackie Selebi is to be freed early from his 15-year sentence for corruption on health grounds, a minister has said.Selebi, a former Interpol head, needs dialysis for kidney failure, said Correctional Services Minister Sibusiso Ndebele.He was jailed in 2010 after being found guilty of taking bribes from a drug dealer.Selebi's successor was also suspended last year on corruption allegations. Both Gen Bheki Cele and Selebi are senior members of the governing African National Congress.Selebi, 62, started his prison term in December 2011, after his final appeal was rejected.He collapsed and was admitted to hospital shortly after the court ordered him to go jail.