New Delhi, Sept. 17 -- In a devastating incident, one sanitation worker lost his life and three others were critically injured after being exposed to toxic gas while cleaning a sewer in Delhi's Ashok Vihar area.

The incident occurred last night.

According to reports, the gas exposure proved fatal for one worker, while three others collapsed and were rushed to the hospital in an unconscious state.

Published by HT Digital Content Services with permission from United News of India....