Continued Calls for South African President's Resignation

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Heated debates take place in parliament over Jacob Zuma's presidency. Public disappointment has been evident since Mr Zuma removed from office the country's widely respected finance minister in March. We hear how political wrangling affects the country's financial markets. Cesarean section births are becoming increasingly common - even when there is no emergency. Health experts warn that non-emergency C-sections pose health risks to both mother and baby. A burst dam at the Samarco mine in Brazil killed 19 people in 2016; two years later, the owners of the mine have had criminal proceedings against them halted, after the judge said evidence submitted was illegal. We hear who was affected, and what evidence is being questioned. As cycling business Rapha is sold for $260m to the grandsons of Walmart's founder, we look at the fashion that has emerged globally around cycling. The BBC's Stephen Ryan looks at the business of cycling - both on and off the bike. (Image: Jacob Zuma. Credit: Sean Gallup/ Getty Images)