<Tr> <Th> Deaths </Th> <Td> At least 3,787; over 16,000 claimed </Td> </Tr> <Tr> <Th> Non-fatal injuries </Th> <Td> At least 558,125 </Td> </Tr> <P> The Bhopal disaster, also referred to as the Bhopal gas tragedy, was a gas leak incident on the night of 2--3 December 1984 at the Union Carbide India Limited (UCIL) pesticide plant in Bhopal, Madhya Pradesh, India . It was considered as of 2010 to be the world's worst industrial disaster . </P> <P> Over 500,000 people were exposed to methyl isocyanate (MIC) gas . The highly toxic substance made its way into and around the shanty towns located near the plant . </P>

When did the bhopal gas tragedy took place