The workers collapsed and fell inside the sump. | Photo Credit: Special Arrangement Four workers fainted after inhaling poisonous gas from a septic tank of a private effluent treatment plant at V.C. Mottur village near Ranipet town on Wednesday. Police said the affected workers were identified as S. Ellumalai, 53, V. Ramesh, 43, B. Santhakumar, 37, and Mohammed Imitaz, 31. They are residents of V.C. Mottur village in the district. Initial inquiry revealed that the four workers opened the tank, which is around 10 feet deep, to remove sludge in it. Immediately, the workers collapsed and fell inside the sump. The incident occurred at around 8 a.m. Immediately, a few staff at the unit and locals alerted police and firefighters, who rushed to the spot. They rescued the trapped workers in the tank. Workers were admitted at Government Taluk Hospital in Walajah town where the condition of the workers is stable. “All four workers were treated at the hospital. The health condition of the workers is stable,” said S. Usha Nandini, Chief Medical Officer (CMO), Government Taluk Hospital, Walajah. Ranipet police registered a case under Section 105 (Culpable homicide not amounting to murder) of Bharatiya Nyaya Sanhita (BNS) and under the provisions of The Prohibition of Employment as Manual Scavengers and their Rehabilitation Act, 2013. A probe is being done. Wednesday’s incident comes after three workers fainted after they reportedly inhaled poisonous gas from a leather cleaning chamber of a private tannery unit in Vaniyambadi town in Tirupattur on February 27. Published – March 04, 2026 11:18 pm IST Share this: Click to share on WhatsApp (Opens in new window) WhatsApp Click to share on Facebook (Opens in new window) Facebook Click to share on Threads (Opens in new window) Threads Click to share on X (Opens in new window) X Click to share on Telegram (Opens in new window) Telegram Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pinterest (Opens in new window) Pinterest Click to email a link to a friend (Opens in new window) Email More Click to print (Opens in new window) Print Click to share on Reddit (Opens in new window) Reddit Click to share on Tumblr (Opens in new window) Tumblr Click to share on Pocket (Opens in new window) Pocket Click to share on Mastodon (Opens in new window) Mastodon Click to share on Nextdoor (Opens in new window) Nextdoor Click to share on Bluesky (Opens in new window) Bluesky Like this:Like Loading... Post navigation Watch: Iranian naval vessel destroyed by U.S. torpedo in Indian Ocean FERA members arrested in Ramanathapuram for blocking road