New Delhi, June 26 -- Three people died after allegedly inhaling poisonous gas while cleaning a septic tank at a factory in Delhi's Mundka Industrial Area on Friday, police said.

According to Delhi Police, a PCR call was received at Mundka Police Station on Friday afternoon informing that three persons had fallen into a septic tank while cleaning it.

On reaching the spot, police found that Marwah Printers had hired a man identified as Neeraj, a resident of Nangloi, to clean a septic tank situated inside the factory premises in Gali No. 1, Mundka Industrial Area.

"This afternoon, a PCR call was received at PS Mundka. On reaching the place of the incident, it was learnt that Marwah Printers had hired one Neeraj to clean the septic tank s...