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 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.

Cameroon has outlawed any discussion about the health of 91-year-old President Paul Biya, a letter shared by the interior ministry said, after Biya's prolonged absence fuelled widespread speculation he was unwell.