Ghana has rejected a $109m US health deal over data protection concerns.Zimbabwe has also turned down a similar offer.The BBC’s Thomas Naadi explains why some African nations are pushing back.

For more than 70 years, British broadcaster and naturalist, Sir David Attenborough has brought nature to our screens.At 100, he reflects on one unforgettable moment - coming face to face with mountain gorillas in Rwanda.Here’s that encounter from 1979.

It's Sir David Attenborough's 100th birthday and in 1980 he faced questions from an audience of young viewers about his life and television career. Lesley Judd hosted the show, and Attenborough talked about making a connection with gorillas, and his concerns for the environment.

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“My kids are being bullied in school,” says Peter Odike, a Nigerian-born South African, as anti-immigrant tensions rise in South Africa.Naturalised in 2006, he says citizenship hasn’t shielded him from harassment.

Twenty years ago, Congolese man Guy Goma came into the BBC for a job interview but, in a now legendary case of mistaken identity, ended up live on the BBC News Channel. Speaking to BBC Africa, Guy explained how he managed to stay calm under the unexpected pressure of live TV.