New Delhi, Sept. 22 -- The National Human Rights Commission (NHRC) has taken suo motu cognisance of media reports regarding the death of one worker and serious injuries to three others while cleaning a sewer in Northwest Delhi's Ashok Vihar on the night of September 16.

According to officials, the incident took place around 11:30 pm near Harihar Apartments in Ashok Vihar Phase-II. Four men engaged in sewer cleaning fell unconscious inside.

They were rushed to Deen Dayal Upadhyay (DDU) Hospital, where one of them, Arvind (40), a resident of Kasganj, Uttar Pradesh, was declared brought dead.

The others, Sonu and Narayana, also from Kasganj, and Naresh from Bihar, remain in the ICU in critical condition.

Police said the men were working ...