The 91-year-old head of state has not appeared in public since the China-Africa summit in Beijing in early September, but the government has 'strictly prohibited' any media discussion of his state of health.

The expected return of Cameroon’s president Paul Biya to Yaoundé has not occurred. Financial markets are reacting to growing concerns about his health, while several key government figures have been called to Geneva.

Cameroon's 91-year-old president, Paul Biya, is in good health, the government said on Tuesday in a statement, calling widespread reports saying otherwise "pure fantasy."

Cameroon’s government banned media debate about the health of President Paul Biya, whose absence from public view since last month has stoked speculation about his wellbeing.

"Nobody currently knows." Biya has not been pictured since attending a China-Africa summit in Beijing on 8 September, and he missed the UN General Assembly meeting in New York last month. Last week the Africa Broadcasting Service (ABS),