Summary: When the Chernobyl nuclear power plant exploded 33 years ago in Soviet Ukraine, it was the largest ever accidental release of radioactivity into the environment. The cause, and who was to blame, is still being debated. But what's become of the people who refused to leave the exclusion zone, and the wildlife left behind? Just how contaminated is the area now? The BBC's Science correspondent, Victoria Gill, has been given rare permission to go inside the zone - and the plant itself.

Summary: Google, Apple and Facebook-owned Instagram are enabling an illegal online slave market by approving and providing apps used for selling domestic workers in the Gulf. For Our World, BBC News Arabic’s undercover investigation exposes the people in Kuwait breaking local and international laws on modern slavery, including a woman offering a child for sale. At the centre of this powerful investigative film is Fatou a 16 year old in Kuwait City who has been there for nine months. We follow her rescue and journey back home to Guinea, West Africa and ask what’s being done to control these apps?