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.

“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.

"If we carry on like this... we're going to create a situation where economically we're not able to grow."Sir Tony Blair says the current welfare and pension triple-lock policies are 'not affordable', and argues for change in the NHS.

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.