Umaru Yaradua, the president of Nigeria remains in ill health, bringing the country's political stability into question.
Yaradua is seeking medical treatment at a hospital in Saudi Arabia, three weeks after being taken ill.
As yet no officials have been allowed to visit him in hospital, leading to growing speculation over the state of his health and whether he will return to power.
Yvonne Ndege reports from the Nigerian capital, Abuja.
Interview with Newton Kanhema of the Zimbabwe Independence Assistance Network talks about Zimbabwe's Prime Minister Morgan Tsvangirai's U.S. visit.