Bhopal Gas Disaster
Thirty years ago, thousands of people in the Indian city of Bhopal were killed by a leak from a nearby chemical plant in one of the worst industrial disasters in modern history.
The effects of the deadly fog that enveloped the city were to last many years. Thousands more people went on to develop fatal lung diseases. Others still live with the consequences today.
Farah Edwards Khan was a child living in the city at the time.