How Africa's richest woman 'ripped off her country'

Leaked documents reveal how Isabel dos Santos - Africa's richest woman and daughter of Angola's former president José Eduardo dos Santos made her fortune by 'exploiting' her country.

Sixteen African heads of state are attending a business conference in London hosted by the UK Prime Minister Boris Johnson with deals worth about eight billion dollars expected to be announced at the summit.

(Image: Ms dos Santos describe it as a witch hunt. Credit: Reuters)