Gas leak accidents that made headline the last few years
The gas leak from a chemical plant in Visakhapatnam in which at least 11 people were killed and 1,000 affected on Thursday is one in a long list of industrial accidents resulting from poisonous gases seeping into the air.
The December 1984 Bhopal tragedy in which more than than 3,000 people were killed when methyl isocyanate leaked out is the world's worst industrial disaster. Here are other gas leaks that made headlines in the last few years:
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