New Delhi:
Three labourers were killed on Thursday after inhaling poisonous gases inside a drain in New Delhi, police said.
The incident took place at Narela in west Delhi. The three were in their 20s.
The three, who were engaged in drain cleaning work, were found unconscious inside the drain around 5 p.m. and taken to Satyawadi Raja Harish Chander Hospital where doctors pronounced them dead, a police officer said.