Nelson Mandela could be discharged from hospital to recuperate at home, a former South African president said.
Thabo Mbeki said he thought the ant-apartheid leader would be going home soon, South Africa's Eyewitness News said.
Nelson Mandela "continues to respond to treatment," the South African presidency said today in an update.
Former President Mandela update http://t.co/YrunLcezMX
"Former President Nelson Mandela continues to respond to treatment, and is still in a critical but stable condition," the statement said.
"President Jacob Zuma visited the former President again this morning, 11 July 2013."
Nelson Mandela is "responding to treatment", according to an official statement tonight, but is still in a critical condition in hospital.
Former President Mandela responding to treatment http://t.co/YrunLcezMX
The official statement says Mr Mandela is "in a critical but stable condition in hospital in Pretoria". President Zuma also thanked the public for their ongoing support.
Former South African president Nelson Mandela is still in a "critical but stable" condition in hospital in Pretoria, the presidency's office said.
President Jacob Zuma has thanked the public for their "ongoing support and prayers".
Zuma said in a statement: "We thank the public for the dignified gatherings outside the hospital. Many groupings and individuals have gathered in dignity, respecting the privacy of Madiba, other patients, their families or the hospital personnel.
"The prayer services around the country are also appreciated.
"We thank the international community as well for ongoing messages of support to Madiba and his family".
Mandela has been receiving treatment at the hospital since 8 June.
Documents have come to light in a Mandela family court case which suggest South Africa's former president is in a persistent vegetative state. That claim was denied tonight by Mr Mandela's doctors.
The case, about the burial place of three of his children has turned nasty, as our Africa Correspondent Rohit Kachroo reports.
President Jacob Zuma's office has released a statement this evening stating Nelson Mandela remains in a critical but stable condition and is not in a 'vegetative state'.
– President Jacob Zuma's office
We confirm our earlier statement released this afternoon after President Jacob Zuma visited Madiba in hospital that Madiba remains in a critical, but stable condition. The doctors deny that the former President is in a vegetative state.
Former South African President Nelson Mandela was in a "permanent vegetative state" and his family considered switching off his life support machine, according to a court document obtained by AFP.
The legal document, dated June 26, was related to a family dispute over reburying the remains of three of the anti-apartheid leader's children, the news agency said.
The document reportedly read:
– Legal document seen by AFP
He is in a permanent vegetative state and is assisted in breathing by a life support machine.
The Mandela family have been advised by the medical practitioners that his life support machine should be switched off.
Rather than prolonging his suffering, the Mandela family is exploring this option as a very real probability.
The next day, June 27, South African President Jacob Zuma said Mandela's condition had "improved during the night".
Mandela remains "critical but stable" in hospital, the presidency said today.
Former South African President Nelson Mandela was in a "vegetative state" and doctors advised that his life support should be turned off, AFP reports citing a court document dated June 26.
President Jacob Zuma said today that Mandela remained "critical but stable" in hospital.
The wife of Nelson Mandela said that although he was "sometimes uncomfortable" he was "seldom in pain."
Graca Machel spoke about her husband's condition at a fundraising drive for a children's hospital that will be named after the 94-year-old anti-apartheid leader.