Unreported World travels to Malawi to reveal that children as young as three are being illegally employed to produce tobacco, much of it destined to be consumed by British smokers. Malawi's children suffer health problems from handling tobacco and some are trapped in bonded labour arrangements, leaving them unable to escape. Little seems to be being done to protect their health and wellbeing.

In this uplifting episode, reporter Ade Adepitan meets medics in Malawi who perform 15-minute operations that allow blind people to see