New Delhi, Dec 5 (IANS): Three labourers were killed Thursday after inhaling poisonous gases inside a drain here, police said.
The incident took place at Narela in west Delhi. The three were aged 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.