Breaking News: Zuma admitted to hospital
Former South Africa's President Jacob Zuma has been admitted to a hospital outside prison for medical observation, the prison authorities have said.
His foundation said it was an "annual medical routine check-up" and there was "no need to be alarmed".
As a former head of state Zuma is treated at a military facility, the authorities said.
The former president has been serving a 15-month prison sentence since 7 July for contempt of court.
Prison authorities say he's entitled to seek medical treatment like any other detained person.