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.

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.

“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.