New Delhi, June 27 -- Three workers died in a factory in the outskirts of Delhi on Friday after allegedly inhaling poisonous gas while they were cleaning a septic tank. The incident occurred in the Mundka area.

As per officials, a call was received by the Delhi Fire Services (DFS) on Friday at around noon that some people were trapped inside a septic tank in a factory in Mundka Industrial Area.

The caller had told the police, "three men cleaning the tank had fallen inside", as per a report by PTI.

One a team of police personnel reached the spot, they found out that a contractor, Neeraj, was hired by Marwah Printers to clean a septic tank inside the factory premises. Neeraj, along with three other workers, were carrying out the cleaning...