Vizag tragedy: Other fatal gas leak cases in India

In a gas leaked from a chemical plant in Visakhapatnam in the early hours of May 7, at least 11 people lost their lives and over 1,000 have fallen sick. But this isn't the lone incident of a gas leak that proved fatal. Back in 1984, a gas leak from the Union Carbide India Limited (UCIL) plant in Bhopal claimed the lives of at least 3,787 people. It is counted as the world's worst industrial disaster. A look at some of the other fatal gas leak cases that the country witnessed.