- 10 updates
US President Barack Obama has arrived in Tanzania for the final leg of his three country tour of the African continent.
US President Barack Obama and his family will travel to Tanzania today on the last stop of their African trip.
Mr Obama will visit the Presidential State House for an official greeting by President Jakaya Kikwete before the two leaders hold a joint press conference.
The rest of the day will involve meetings with business leaders and an Official Dinner in the State House .
President Obama and his family toured Robben Island today where the anti-apartheid leader Nelson Mandela was imprisoned for 18 years. He said they were "deeply humbled" by the visit.
From Cape Town our International Editor Bill Neely sent this report:
President Barack Obama has visited the cell on Robben Island where former South African president Nelson Mandela spent 18 years of his 27-year imprisonment.
The visit comes 15 years after Bill Clinton visited the cell with Nelson Mandela himself.
President Obama and First Lady Michelle Obama have arrived in Cape Town, South Africa ahead of their visit to the island prison where anti-apartheid leader Nelson Mandela was held for 18 years.
President Obama will be taking his family on a tour of the South African island prison where anti-apartheid leader Nelson Mandela spent 18 years today.
Mr Obama's visit to Robben Island comes as Mr Mandela remains in hospital for a third week in a critical condition. Mr Obama was near the Pretoria hospital yesterday but did not see him and instead met privately with Mr Mandela's relatives.
Mr Obama visited Robben Island when he was a senator but this time bringing his family.
Protestors have gathered at the University of Johannesburg Soweto Campus to protest against Barack Obama's visit to South Africa.
One protestor said: "We are victims of American foreign policy".
South African riot police clashed with protesters in Soweto today shortly before a visit to the Johannesburg township by US President Barack Obama, a Reuters photographer said.
Armed police fired stun grenades to disperse the crowd of 300 protesters, who had gathered outside the Soweto campus of the University of Johannesburg, where Obama was due to address a town hall meeting with students.
South African president Jacob Zuma has welcomed President Obama, as his visit to the country concludes tomorrow. Mr Obama has said he plans to meet relatives of the former South African leader Nelson Mandela as he remains in hospital.